- Made of carbon steel and are tempered twice for extra hardness and durability
- works on wood and machine screws as well as flat, hex, or painted over screws
- different sizes of screw extractor to meet different needs
- reverse threads bit easily remove screws, bolts, studs, and threaded pipe fittings
- remove most kinds of damaged strips, rusted, broken, or stuck screws from any wood or metal surface
- please ensure to run the drill in reverse during the screw extracting process
- Thread Removal Range