Alden 8502P Grabit Damaged Screw Remover #2
Grabit #2 works on damaged screws No. 8 - 10. Quickly and easily removes most damaged screws such as Hex, Phillips, Torx, Square Drive; from wood, plastic or metal up to 3 inches in length.  Two-step (flip style) drill bit and extractor in one tool; use in reverse only when drilling and extracting with reversible hand held power drill. Serrated extracting end of tool results in greater torque for hard to remove screws.  Good for multiple extractions with single tool.