Proto Razor Blades, Built Tough for Everyday Use, Great Pick for Pros and DIYers, Solid Toolbox Upgrade, Sharp Spare Blades to Keep Your Knife Cutting Like New

Proto Razor Blades for Work, Camp, and Everyday Use
✔️ Blade pack, tough job-ready build, solid everyday tool

These Proto razor blades swap right into your knife so you're always cutting with a sharp edge. You'll see them in job sites, warehouses, and home toolboxes, and they're ready to work hard every day.

✅ Pack size: see listing for blade count
✅ Brand: Proto
✅ Mfr part number: PO11-515
✅ Tough build for shop and job site use

💡 How often should you change utility knife blades?
Swap blades as soon as they start dragging or tearing.

• Dull blades take more force, which makes slips more likely
• Drywall and roofing dull blades fast
• Bulk packs keep fresh blades close by