Set of six 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 3.0 inch models of Outdoor Edge s RazorSafe Series including the 3.0" RazorWork , 3.0" Onyx EDC , and all 3.0" RazorLite EDC models. Product Specifications Blade Steel: Japanese 420J2 stainless Blade Length: 3.0 in Compatability: All 3.0 inch models of Outdoor Edge s RazorSafe Series including: 3.0" RazorWork 3.0" Onyx EDC All 3.0" RazorLite EDC models.