Safety experts rely on OLFA® cutting tools like this Self-Retracting Safety Knife for their enhanced level of protection. This level one 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 Guide\n\n- Self-retracting safety knife\n- Textured, slip-resistant handle\n- Accepts SKB-2, SKB-2S, RSKB, and HOB Blades\n- Preloaded with SKB-2 safety blade\n- Cutting depth up to .75-inch (19mm)