Features:- To fit and remove all models of Shimano's sealed cartridge bottom brackets including those with Octalink pipe billet spindles- Compatible with ISIS Drive for example FSA, Race Face,Stronglight (JP MX, JP 400, Twister and JP MX dh) bottom brackets- Bottom bracket tool with a spring loaded threaded axle to hold the tool against the cup- Drop-forged and hardened industrial quality chrome vanadium steelSpecifications:- Weight: 241 g