The Strong-Drive SDPW Deflector screw system from Simpson Strong-Tie is a premium structural fastening solution for connecting non-load-bearing walls to trusses and joists using Strong-Drive SDPW Deflector screws. Offset driver bits and a driver extension maximize installation speed and safety while minimizing installed cost. This bit extension with quick-change hex bit holder is ideal for overhead installations. Its extra length aids in fastening hard-to-reach connections and provides a safer alternative to using ladders.