5Pcs Screw Extractor Set Drill Bit Set Remove Screws Bolt Extract Drill ToolSurface treatment: Nickel platingMaterials: high-speed steel 4241 (HSS4241)Specifications: 0#, 1#, 2#, 3#, 4#Includes 5 different Size Remover Bits: 0#: Diameter<6mm, 1#: Diameter: approx.6mm, 2#: Diameter: approx.10mm, 3#: Diameter: approx.12mm, 4#: Diameter: approx.14mmUnit Weight: 4.6oz(129g)Works with any drill and any screw size or bolt Works on wood and machine screws as well as philips, flat, hex, or painted over screwsHandle: 1/4 "(6.35mm) of hexagonal handleFeatures: thread – type head grip is stronger and better to useApplication: suitable for power tools with chuck or joint, suitable for taking out screws or broken nuts on hard wood or wood.Package Includes:5 x damaged screw extractor with BoxNotes:Due to the light and screen setting difference, the items color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.