OLFA Knife Nominated Best for Professionals
A utility knife can be used for many applications: from cutting tape, to cutting cardboard boxes, to slicing through drywall, to stripping wires, and countless other things. “Having a good utility knife is essential—I'd go as far as saying lifesaving,” says Karel Williams, a master plumber and contractor at Emergency Plumbing Squad.
After careful evaluation and independent research, the Spruce has nominated the OLFA 18mm L-1 Ratchet Lock Utility Knife as the Best One for Professionals in 2023.
More details on the OLFA 18mm L-1 Ratchet Lock Utility Knife.
- Durable ABS handle
- Tough, Silver Snap Blade
- Stainless-steel support channel
- Tool-free blade change
Built Tough for the Trades
Reach for the OLFA 18mm L-1 Ratchet Lock Utility Knife for construction or industrial tasks. With a durable ABS plastic handle, this classic knife is resilient enough for any trade. The contoured handle fits in hand for all-day comfort. For extra control, upgrade to the anti-slip rubber inset of the L-2 Utility Knife.
This ratchet-lock snap knife comes preloaded with a tough Silver Snap Blade. Each blade has eight (8) deep-etched grooves to provide a new blade in seconds. For a fresh edge, snap off the used section and keep on working. A tool-free blade change keeps you moving all day long.

Applications
| Carpet | Cardboard/Corrugate |
| Drywall | Films |
| Flexible plastics | Gaskets |
| House wrap | Landscape fabrics |
| Linoleum | Plastic sheeting |
| Plastic straps | Shingles |
| Shrinkwrap | Tape |
| Twine/Rope | And more |
