Outdoor Edge RazorSafe 3.5in Drop Point Replacement Blades - 24 Pack - Set of 24 Japanese 420J2 stainless steel replacement razor-blades. Each blade is precisely heat-treated and hand-finished to a surgically-sharp cutting edge. These blades fit all 3.5" models of Outdoor Edge's RazorSafe Series including the RazorLite, RazorBlaze, 3.5" RazorLite EDC, RazorPro and Onyx EDC. Specifications Blade Length: 3.5" Blade Steel: 420J2 Stainless Steel Blade Hardness: 57 HRC