BikeMaster Thread Repair Kit The BikeMaster threaded insert kit is all you need. Features Two high-speed steel drill bits for M8 and M6 holes Two HSS taps in the most popular M8 x 1.25 and M6 x 10 sizes Features inserter tools, tab removers and a ratchet T-wrench to use with inserter tools Includes three different lengths of M6 and two different lengths of M8 threaded inserts Convenient plastic carrying case