Safety instructions: Razor blades permanently enclosed in a cartridge or housing with less than 2mm of blade exposed. The bladed product is not use for people under 18 years. The item is only use for industrial cutting/engraving, not hazardous article.
It is double-edged with regualr distribution,12 flutes making the the cutting stable.
It fits for meatalworking mold steel, cast iron, carbon steel, alloy steel, tool steel, general iron material.
HSS material .Blade diameter: 30mm/1.18" , Shank Diameter: 16mm/0.63"