18mm Heavy-Duty Slide-Lock Utility Knife (SL-1) | OLFA - ProfessionalOLFA – Professional


  • Slide-lock mechanism
  • Durable, high-impact ABS handle
  • No tool blade change
  • Convenient lanyard hole
  • Preloaded with an 18mm LB Heavy-Duty Silver Snap-Off Blade


$6.83 Suggested MSRP
Where to Buy

One-Touch Blade Slide

The Heavy-Duty Slide-Lock Utility Knife features a durable ABS plastic handle and a one-touch blade slide for easy depth control.

Preloaded with an eight-segment 18mm LB Heavy-Duty Silver Snap-Off Blade for fewer blade changes and more cutting. Use this utility knife for heavy-duty cutting of materials including drywall, linoleum, carpet, flooring, insulation, roofing, and more. (SL-1, #9038)


OLFA cutter & non-disposable scraper handles, locking mechanisms, and 9mm standard duty blades, 18mm heavy duty blades, 25mm extra-heavy duty blades, safety and trapezoid-shaped blades and scraper blades are subject to the Corelle Brands d/b/a/ OLFA - North America satisfaction guaranteed or replacement policy.*

If at any time you are dissatisfied with these “Satisfaction Guaranteed” products, Corelle Brands d/b/a/ OLFA - North America will provide an equally valued replacement. Please allow 4 to 6 weeks for delivery of replacement product. Should you be dissatisfied with any such product, please keep it. You may be asked to return it. Please contact our Consumer Care Center for warranty claims.

*PLEASE NOTE: This Policy does not apply to OLFA TouchKnife®, OLFA scissors, OLFA mats, OLFA rulers, disposable OLFA multi-purpose scrapers, all styles and models of 18mm, 28mm, 45mm, 60mm, rotary cutter replacement blades, and all styles and models of “KB” art knife replacement blades.

1 OLFA 18mm LB Silver Snap-Off Blade, providing sharper initial cutting performance
2 Stainless Steel Blade Channel
3 No Tool Blade Change for easy and fast blade change
4 Slide Lock Mechanism