Supplied with :
1 piece each No. 888600 size 10 - 13 - 17 - 19 - 24.

Version :
Made of tough chrome molybdenum steel. The sharp edges of the flutes bite into the jammed or broken screw / nut and allow it to be unscrewed. For use in conjunction with a tommy bar, ratchet etc.

Application :
For extracting jammed or broken screws, nuts, and bolts. Suitable also for round-head and socket-head screws.