Self-Retracting Safety Knife (SK-4) | OLFA - Professional OLFA – Professional


  • Self-retracting safety knife
  • Textured, slip-resistant handle
  • Accepts SKB-2, SKB-2S, RSKB, and HOB Blades
  • Preloaded with SKB-2 safety blade
  • Cutting depth up to .75-inch (19mm)
$10.19 Suggested MSRP
Where to Buy

Safety experts rely on OLFA® cutting tools like this Self-Retracting Safety Knife for their enhanced level of protection. This Level One safety cutter features a textured, slip-resistant ergonomic handle that increases grip and control for safer use. A gently curved blade slider and spring blade that automatically retracts add to the knife’s safety. With a simple flip of the blade, this knife is easy to use for both right- and left-handed users. Use this knife for cutting light to heavy-duty materials such as cardboard, packaging, film, bagged goods, trimmings, shrink wrap, strapping, and tape. (SK-4, #9048)

WARNING: California Proposition 65 Warning

Download: SK-4 Blade Replacement and Left-Hand Use


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.