This versatile double-ended bit removes damaged screws, machine screws and broken bolts from wood, metal and plastic. |It can remove screw sizes from Nos. 6 - 14 and broken bolts from size M4 - M8. Removes cleanly from wood, metal or plastic. Made from High Speed Steel.|Removes screws made of any alloy including soft brass. |Removes free spinning screws. Winslow tip for self centring. |Double-ended (burnisher & tapered thread). |Serrated extracting end of tool results in greater torque for hard to remove screws.|Hex shoulder to aid removal of jammed screw or bolt.|Set of two bits, sizes No.2 and No.3.