Outdoor Edge 3.5" Razorsafe Replacement Blades - 6 Pack Set of 6 Japanese 420J2 stainless steel replacement razor-blades. Each blade is precisely heat treated and hand finished to a surgically-sharp cutting edge. Features: 42012 Stainless Steel Heat treated and hand finished Surgically-sharp Blades fit all 3.5 inch models of Outdoor Edges RazorSafe Series including the RazorLite, RazorBlaze, 3.5" RazorLite EDC, RazorPro and Onyx EDC 6 Pack