The anti-slip grip, comfortable handle is made from fiberglass conjoined with elastomer for exceptional performance. Features a stainless steel blade channel that holds the blade tight for stability and safety. Chemical resistant for easy cleaning. Includes the UltraSharp OLFA black blade for superior sharpness. These premium snap-off blades are 25% sharper than the OLFA silver blades. The high quality carbon tool steel blades are produced using OLFA's precise multi-step production process for superior edge retention. Satisfaction Guaranteed.