177 DRILL BIT SET 30PC H.S.S Drill Size:1.5mm x2pc, 2mm x3pc, 2.5mm ... 5mm x3pc Material:HSS 4341 Finish:Titanium plated17pc Wood working drill Size:3.0mm ,3.2mm ,3.5mm , 4 ... 22mm, 25mm Material:carbon steel Finish: Fully polished11pc Masonry drill Size:3mm x2pc, 4mm x2pc, 5mm x2pc ,6mm x2pc ... ,tungsten carbide tip Finish:chrome plated,32pc 25mm Screwdriver bit Size: Slotted:4mm x2pc ,5mm x3pc ,6mm x3pc ...