The Gerber Exchange-A-Blade pocket knives use contractor grade or standard size utility blades that can be easily replaced. Also features deep finger groves that provide a secure grip in a lighter knife. Both the E.A.B. Lite and the original E.A.B. sport stainless steel handles that also double as a pocket or money clip. 0539-0495: Open 5", Blade: 1.5", overall: 5". 0539-0620: Open: 5.10". Blade: 2.25". Closed: 2.85". Weight: 2.5 oz. Stainless steel handle material.