Cheston 11 inch Flexible Shaft Drill screwdriver Bits Extension Type: Indexable Drill Bit, DIY supplies: Woodworking, Metalworking, Electrical, Tiling, Plumbing, Type: Other, Core drill bit, Center drill bit, Countersink drill bit, Material: High speed steel, Other, High carbon steel, Diamond, Tungsten carbide, Use: Wood drilling, Metal drilling, Other, Pcb drilling, ry drilling, DIY Supplies: Electrical, length: 290mm, Material: High Carbon Steel, is_customized: Yes, Use: Metal Drilling, 1X Cheston 290mm Electric Drill Tool Accessories Flexible Shaft Bits Extension Screwdriver Bit Electric Drill Power Tool Accessories Model number: lsdz015, 1x set (4pcs)screw extractor, None ,Drill bit set, Oem, Length: Other, Mixed, 61mm, Refer to description, 290mm