Description: 5 pieces Stripped Screw Extractor Remover Set Suitable for use with all standard variable speed drills Apply to electric tools with a clamp or joint Suitable for hard wood or wood floor to take out the screws or broken screw nut Models: 0 #, 1 #, 2 #, 3 #, 4 # Specification: Surface treatment: Nickel plating Material: HSS 4241 (HSS4241) Handle: Hex Shank 1/4"(6.35MM) Features: Thread-type head stronger, better use Package Includes: 5 pieces Screw Extractors 1 piece Storage Case Note: The colors may be different for the different display, please understand Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid