The Outdoor Edge RazorSafe Combo Replacement Blade Set includes three replaceable 3.5 drop-point blades for skinning and general purpose cuts, two 5.0" boning/fillet blades to prepare perfect cuts of meat for the table, and one gutting blade to easily slice through hide and open game like a zipper without piercing vital organs. FeaturesJapanese 420J2 stainless steelPrecisely heat-treatedhand finished, surgically-sharp blades