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.