These extractors will remove most kinds of damaged, stripped, rusted, broken, or stuck screws from any wood or metal surface with relative ease
Reverse thread bits easily remove screws, bolts, studs, and threaded pipe fittings
1# – M3 – M6, L = 52 mm
2# – M6 – M8, L = 57 mm
3# – M8 – M11, L = 66 mm
4# – M11 – M14 L = 75 mm
5# – M14 – M18, L = 82 mm
6# – M18 – M25, L = 91 mm
7# – M25 – M35, L = 96 mm
8# – M35 – M50, L = 103 mm
