Designed for maximum comfort and performance. Each cutter features an anti-slip cushion grip, all-over rubber handle with a poly-acetate locking mechanism, making each one acetone resistant. The utility knives feature a heavy gauge stainless steel blade channel that holds the blade tight for stability and safety. The high quality carbon tool steel blades are produced using OLFA's precise multi-step production process for unparalleled sharpness and superior edge retention. Satisfaction Guaranteed.