- Klutch Specialty Bit Set - 100-Pc. Chrome vanadium steel construction Standard 1/4in. head Includes 6 Phillips, 3 slotted, 4 Posidrive, 3 clutch, 4 square, 5 spanner, 27 Torx, 5 tri-wing, 37 hex (SAE and metric) bits Drywall stopper 1in. and 2in. socket adapters