Description :  BOSI SK5 Special Steel Utility Cutter Knife Blade BS310018  This Knife Blade is made of SK5 steel， double edged blade design， efficient and durable.  Brand : BOSI Model : BS310018 Material :  SK5 Special  Steel Blade size : 80*9*0.5 mm  Package included :  1 x BOSI BS310018 Utility Cutter Knife Blade  Details pictures :