18mm Extended Length Ratchet-lock Utility Knife ( OL ) | OLFA - Professional OLFA – Professional


  • Ratchet-lock mechanism
  • High-impact ABS handle
  • Extended stainless steel blade channel supports 1-1/2″ blade exposure and four blade segments
  • No tool blade change
  • Preloaded with an 18mm LB heavy-duty silver snap-off blade
$11.99 Suggested MSRP
Where to Buy

Choose this OLFA® utility knife for jobs that require a longer blade. The blade channel extends the full length of the knife for secure holding power while allowing up to 1-1/2″ of blade exposure for extended cutting capabilities. Use this utility knife for heavy-duty materials including drywall, linoleum, carpet, flooring materials, insulation, roofing materials, and more.

WARNING: California Proposition 65 Warning

( OL , #5011US)


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 Extended Channel, supports 1-1/2" blade exposure and four blade segments
3 No Tool Blade Change, easier and quicker blade change
4 Wheel Lock Mechanism
5 Multi-Purpose Metal Pick