SK11 Screw Puller Bit No. 4 Set

Removes stripped Phillips-head screws. Drill pilot holes with the forward rotation and remove wood screws with the reverse rotation. This set can handle wood screws with diameters from 1.6mm to 4.5mm. *Caution* Cannot be used with stainless steel or carburized screws. Cannot be used with impact drivers. Use: Removing screws with stripped heads (wood screws only). Bit marking (1): Pilot hole drill size 1.0mm, compatible wood screw size: diameter 1.6-2.4mm, overall length 6.3-16mm Bit marking (1.5): Pilot hole drill size 1.5mm, compatible wood screw size: diameter 2.4-3.5mm, overall length 16-32mm Bit marking (2): Pilot hole drill size 2.0mm, compatible wood screw size: diameter 3.5-4.5mm, overall length 32-40mm Compatible with: Reverse rotation electric drill