Gerber 22-01581 Aluminum Presto 3.0, ComboEdge. The Gerber Aluminum Presto 3.0 Knife features a 3.0" drop point blade made of high carbon stainless steel with a non reflective matte finish, a thumb disk and FAST assist for ambidextrous one hand opening. The FAST (Forward Action Spring Technology) is a patented blade opening mechanism developed by custom knife maker Butch Vallotton. The gray aluminum handle, 4.0" closed, has black rubber inserts and texture notches for secure grip, dual liners, a slide lock with safety, and a lanyard hole. A stainless steel pocket clip is mounted at the pivot end. Overall length: 7.0". Weight: 3.6 ounces.