Description 40pcs 0 6mm 1 0mm 1 5mm 2 0mm High speed steel metric twist drilling drill bits setSpecification Material High speed steelSize 0 6mm 1 0mm 1 5mm 2 0mm eachi size 10pcs Set 40pcs Features Fast and accurate small cutting resistance Wear resistance and excellent cutting performance Suitable for Iron steel copper and aluminum wood plastic etc Package Included 40 x Twist Drill BitsMore Details