Ergonomic knife is specifically designed to limit wrist or arm movement or for one handed use to make cutting easier for those with limited hand function Knife for left or right hand, 28 mm (1-1/4 Inch ) diameter handle is made of closed-cell foam and has finger contours for comfortable, good grip Lightweight, with 90 degree blade, ideal for people with arthritis, with foam handle and utensil head made of stainless steel for durable, long-term use Provides eating independence to make self-feeding easier for those with weak grip, including the elderly and disabled Hand wash only, do not put in dishwasher