WORKPRO Premium Retractable All Metal Utility Knife with 10 Extra Blades
Product Information, Not A Review

Quick Specs
What Stands Out
What To Check
Box day at a house with kids is basically a second job. Cardboard, zip ties, carpet scraps, drywall, the plastic strapping on a new bike. This WORKPRO is one of Amazon's best sellers in utility knives, and it is the kind of tool that quietly replaces three worn out ones.
The pitch is simple. Metal body instead of plastic, a button that swaps blades without hunting for a screwdriver, and a blade that slides back into the frame and locks when you are done.
Safety first, because this one matters. A razor knife is not a kid tool. The blade retracts and locks inside the metal frame, so use that every single time you set it down. The box of ten spare blades belongs on a high shelf in the garage, not in a drawer little hands open.
The Numbers That Matter
3.2 oz in an all metal body. Die-cast aluminum with a powder coat, which is the part that decides whether the knife survives being dropped on a concrete floor or run over in a truck bed.
Three slide positions. Short exposure for cardboard so you do not slice what is inside the box, full extension for carpet and drywall, and fully retracted for storage.
Tool-free blade change. A quick-release button, so a dull blade gets swapped in about five seconds. Dull blades are what make people push harder, and pushing harder is how hands get cut.
| Spec | What it decides |
|---|---|
| Die-cast aluminum body, 3.2 oz | Whether it survives the garage floor |
| SK5 blades, up to 64 HRC | How long an edge lasts before the swap |
| 3 slide positions plus locked | Cut depth, and safe storage |
| Quick-release blade change | Whether you actually change the blade |
| 10 spare blades included | How long before you buy refills |
Who It Is For
The dad breaking down a mountain of Amazon boxes on recycling night, trimming shelf liner, or cutting a strip of carpet pad for the garage. If you want a folding cutter that rides on a keyring instead of living on a workbench, the Gerber EAB Lite takes the same style of blade in a pocket-size frame. For the bag it lives in, look at the WORKPRO 16-Inch Wide Mouth Tool Bag. Put on the DEWALT DPG82 Concealer Goggle before the cutting turns into grinding.
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The Short Version
The plastic box cutter in the junk drawer is always the tool that dies first. This one is metal, changes blades without a screwdriver, and locks the blade away when the boxes are flat. Cheap fix for a tool the garage already uses every week.

MIKE MANNING
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