Rigid Auto-Max Edge Flick Roll Tech Folder Roll Tech Opening Technology Rigid knives have always represented high quality in design, construction, and durability. Keeping the high standards you expect from Rigid, United Cutlery produces these knives using only the best master cutlers from around the world who pay attention to material quality and craftsmanship. This unique style folder features a revolutionary Roll Tech one-handed opening mechanism that opens with a quick roll of the thumb on the grooved wheel. 420 stainless partially serrated drop point blade. Black anodized aluminum handle with stainless steel pocket clip. This will make a great addition to any knife collection. BLADE LENGTH: 3-1/4" CLOSED LENGTH: 4-1/2" Weight: 0.20 lbs