Quick Summary
- Best overall: Milwaukee Fastback, a folding knife that opens one-handed and takes standard blades.
- Best budget: Husky 21113 lock-back, sold with 10 spare blades.
- Best value kit: WORKPRO folding knife with belt clip and extra blades.
- Best for crews: Lichamp 6-pack, so every worker or toolbox gets a knife.
- Biggest upgrade: a bulk pack of fresh blades, because a sharp blade cuts safer and cleaner.
Knives Task is reader-supported: if you buy through a link on this page, we may earn a small Amazon commission at no extra cost to you. That never changes which knives we recommend.
On a job site, the utility knife is the tool that never leaves your pocket. It scores drywall, trims insulation, cuts roofing felt, opens material packaging, strips cable sheathing and sharpens a carpenter’s pencil.
That’s a lot of work for a small tool, so the right one matters. A good construction knife opens quickly, locks the blade solidly, changes blades without a screwdriver and survives being dropped off a ladder.
This guide picks five knives that do those jobs well. It also covers blades, cutting technique and safety habits, which matter just as much as the knife.
Our Picks at a Glance
| Knife | Type | Best for | Why it stands out |
|---|---|---|---|
| Milwaukee Fastback | Folding | Best overall | One-handed press-and-flip opening |
| Husky 21113 Sure-Grip | Folding lock-back | Best budget | 10 spare blades included |
| WORKPRO Folding with Belt Clip | Folding | Best value kit | Belt clip and spare blades |
| Lichamp 6-Pack Folding | Folding | Crews and toolboxes | Six knives in one purchase |
| Excel Blades Revo | Folding | Light carry | Slim aluminum body |
How we chose: we haven’t lab-tested these knives side by side. We compared blade length and shape, steel, construction (forged or stamped), handle design and the makers’ published specifications, and we favored models with a long track record and consistent owner feedback over newer, unproven listings.
Features listed below come from the manufacturers’ product listings. Prices change often, so check the current price before buying.
What Makes a Good Construction Utility Knife
Construction is harder on a knife than a warehouse or an office. Your knife gets covered in gypsum dust, dropped on concrete and used with gloves on, often from awkward positions.
These are the features that matter most on site:
- A solid blade lock: the blade must not fold or retract when you bear down on a cut.
- Tool-free blade changes: you’ll swap blades often, so a button or lever beats a screw.
- Standard blades: knives that take common trapezoid blades let you buy refills anywhere.
- One-handed use: you’re often holding the material, a level or a ladder with the other hand.
- A clip or holster: the knife should ride on your belt or pocket, not get lost in a bucket.
- Grippy handle: rubber overmold or texture helps when hands are sweaty or gloved.
The Best Utility Knives for Construction
1. Milwaukee Fastback — Best Overall
Best for: tradespeople who want a fast, one-handed folding knife they’ll use all day.
The Fastback’s big idea is in its name: press the button and flip your wrist, and the blade swings open and locks. That makes it quick to deploy with one hand while the other holds the drywall sheet or a roll of membrane.
It folds closed, so the blade is covered in your pocket, and a clip keeps it handy on your belt or pocket edge. Blade changes are tool-free, and it takes standard utility blades.
Milwaukee has made several Fastback versions over the years, and this flip model remains a common sight on job sites. If you want one knife that does everything, start here.
What we like:
- Very fast one-handed opening
- Folds closed for safe carry
- Tool-free blade change
- Takes standard blades
What to consider:
- Folding mechanism collects drywall dust; blow it out now and then
- Costs more than basic folders
Check the current price of the Milwaukee Fastback utility knife on Amazon →
2. Husky 21113 Sure-Grip Lock-Back — Best Budget
Best for: anyone who wants a dependable folder at a low price.
Husky is The Home Depot’s tool brand, and this lock-back folder is a long-standing budget favorite. According to the listing, it comes with 10 spare blades, so you can start the job with fresh edges.
A lock-back design holds the open knife firmly. The Sure-Grip handle is shaped for a secure hold, which helps when you’re pulling a long cut through roofing felt or vapor barrier.
It’s a sensible choice for a second knife in the truck or for apprentices who are likely to lose a knife or two.
What we like:
- Low price
- Comes with spare blades
- Secure lock-back
What to consider:
- Opening isn’t as quick as the Fastback
- Heavier than slim folders
Check the current price of the Husky 21113 folding utility knife on Amazon →
3. WORKPRO Folding Utility Knife with Belt Clip — Best Value Kit
Best for: DIYers and remodelers who want a complete kit for the price of a single knife.
WORKPRO’s listing pairs a folding knife with a belt clip and a pack of 10 extra blades. That gives you a working knife and a supply of fresh edges in one purchase.
The folding design keeps the blade covered when it’s closed, and the lock holds the blade open while you work. The belt clip keeps it within reach on a ladder or scaffold.
For a weekend renovation, this kit covers everything from opening flooring boxes to trimming caulk and cutting underlayment.
What we like:
- Spare blades included
- Belt clip
- Good price for a full kit
What to consider:
- Not as refined as premium brands
- Check the lock for play before relying on it
Check the current price of the WORKPRO folding utility knife on Amazon →
4. Lichamp 6-Pack Folding Utility Knives — Best for Crews
Best for: contractors who want a knife in every toolbox, truck and gang box.
Utility knives walk away on job sites. Buying a six-pack means every crew member, vehicle and toolbox has one, and nobody wastes time hunting for a knife.
Lichamp describes these as folding box cutters with quick-change blade release, so swapping a dull blade takes seconds. Each knife folds for safe storage.
They’re not heirloom tools, but at a low price per knife, they don’t need to be. Losing one won’t ruin anyone’s day.
What we like:
- Six knives for the price of one or two premium ones
- Quick blade changes
- Good for shared jobs
What to consider:
- Lighter build than single premium knives
- Check each knife’s lock when new
Check the current price of the Lichamp 6-pack folding utility knives on Amazon →
5. Excel Blades Revo — Best Lightweight Carry
Best for: electricians, inspectors and site supervisors who want a slim knife that disappears in a pocket.
The Revo has an aluminum body that keeps weight low while staying rigid. It folds closed and locks open, and it’s slim enough to carry alongside a phone and tape measure.
It suits lighter cutting jobs, such as opening boxes, trimming cable ties, scoring packaging and stripping light cable sheathing. For heavy roofing or carpet work, a chunkier knife gives a better grip.
If you’ve stopped carrying a knife because it’s too bulky, a slim folder like this one means you’ll actually have it when you need it.
What we like:
- Light and slim
- Aluminum body
- Easy pocket carry
What to consider:
- Less grip for heavy cutting
- Smaller handle is harder to use with thick gloves
Check the current price of the Excel Blades Revo folding utility knife on Amazon →
Don’t Forget the Blades
The blade does the cutting, so it matters at least as much as the handle. A dull blade needs more force, wanders off the line and tears paper facing instead of cutting it cleanly.
Most pros change blades far more often than DIYers do. When a blade starts to drag or tear, swap it, or snap off the end segment on a snap-off knife.
Buying in bulk makes frequent changes affordable. The WORKPRO 100-pack of SK5 blades with a dispenser fits most standard utility knives, and the dispenser keeps spares organized in a toolbox.
SK5 is a Japanese high-carbon tool steel that takes a keen edge. Carbon steel blades can rust, so keep spares dry and wipe off moisture after wet jobs.
Blade Types for Construction Work
| Blade type | Best for | Notes |
|---|---|---|
| Standard trapezoid | Drywall, insulation, general cutting | Fits most knives; flip to use both ends |
| Hook blade | Roofing shingles, felt, carpet | Cuts from underneath without damaging the deck |
| Snap-off (18mm or 25mm) | Long cuts in thin material, wallpaper | Snap a segment for a fresh tip |
| Heavy-duty or thicker blades | Tough materials, prying cuts | Less flex; don’t use the blade as a pry bar |
Folding, Retractable or Fixed Blade?
Each design has its place on site. Many tradespeople carry a folder every day and keep a fixed or retractable knife in the toolbox.
| Design | Strengths | Weaknesses |
|---|---|---|
| Folding | Pocket-friendly; blade covered when closed | Hinge can collect dust |
| Retractable | Blade depth adjusts; quick to retract | Bulkier in a pocket |
| Fixed | Strongest; no moving parts | Needs a holster; blade always exposed |
How to Cut Drywall With a Utility Knife
Drywall is the job most people buy a construction utility knife for. The technique is simple, and a sharp blade does most of the work.
- Mark and guide: mark your line and hold a drywall T-square or straightedge firmly along it.
- Score the face: run the blade along the guide to cut through the face paper and slightly into the gypsum core.
- Snap the board: bend the board away from the cut so the core breaks cleanly along the score.
- Cut the back paper: fold the piece slightly and slice through the back paper from behind.
- Smooth the edge: use a rasp or sanding block to clean up any rough edge.
You don’t need to cut all the way through the board. One firm, steady score is better than several shallow passes that wander.
Utility Knife Safety on the Job Site
Utility knives cause a lot of hand injuries on job sites, and most are preventable. These habits make a real difference.
- Cut away from yourself: keep your free hand and body out of the cutting path.
- Wear cut-resistant gloves: especially on the hand holding the material.
- Use a sharp blade: dull blades need more force and slip more easily.
- Close or retract the blade: never pocket or set down a knife with the blade exposed.
- Use a straightedge: it keeps the blade on track and your fingers out of the way.
- Dispose of blades safely: use a blade bank or a sealed container, never loose in the trash.
Caring for Your Knife
Blow or brush dust out of the hinge and blade carrier now and then, especially after drywall work. A drop of light oil on the pivot keeps a folder opening smoothly.
Check the lock regularly. If the blade wiggles when it’s locked open, tighten any adjustable screws or replace the knife.
How to Choose the Right Knife for You
Think about how you’ll carry and use the knife each day. A framer, an electrician and a flooring installer all need something slightly different.
- All-day pocket carry: a folder with a clip, like the Milwaukee Fastback.
- Tight budget: the Husky lock-back or WORKPRO kit.
- Whole crew: a multi-pack so every toolbox has a knife.
- Light, everyday cutting: a slim aluminum folder like the Excel Revo.
- Roofing or carpet: add hook blades or a dedicated carpet knife.
If you also carry a knife off the job, see our guide to the best utility knives for everyday carry. For flooring jobs, see the best utility knives for cutting carpet.
Frequently Asked Questions
What is the best utility knife for construction?
For most tradespeople, a sturdy folding knife that opens one-handed and takes standard blades, such as the Milwaukee Fastback.
What is a utility knife used for in construction?
Scoring drywall, cutting insulation, roofing felt, house wrap and vapor barrier, trimming shims, opening packaging and stripping cable sheathing.
What blade is best for cutting drywall?
A fresh standard trapezoid blade. Change it as soon as it starts tearing the face paper.
Are folding utility knives safe?
Yes, when the lock is solid. Folding knives cover the blade when closed, which makes them safer to carry than an open fixed blade.
How often should I change my utility knife blade?
Whenever it starts to drag, tear or need extra force. On heavy drywall days, that can be several times a day.
Can I sharpen utility knife blades?
You can, but replacement blades are cheap and much faster. Most pros simply swap or flip the blade.
