ITEM NAME:1 Pcs 4-32 Mm Pagoda Drill Hexagon Screw Drill High Speed Steel Power Tools Z4A7 1 Pcs 4-32 Mm Pagoda Drill Hexagon Screw Drill High Speed Steel Power Tools Z4A7 It is very suitable for using to cut holes in a variety of materials including steel, brass, wood, plastic, etc Drop forged, heat treated, fully polish with the Titanium coated to reduce friction and heat 100% quality and Brand new. Drop forged, heat treated, high speed steel, fully polish Take the guessing out of drilling by supplying the proper depth colour:Silver Material: High speed steel Size:4-32 mm Package Contents: 1 x Step Drill Bit