Designed to remove and install the adjusting caps on Shimano Hollowtech II crank/bottom bracket systems Made from investment cast steel, provides strength needed to remove seized caps and includes option to use with 8mm hex wrench for added leverage Built in hook allows tool to be used to lift the safety plate on the non-drive side of the crank assembly Bottom Bracket Wrench Hollowtech II BBT-10.2 Shimano 8mm HexUPC/EAN/GTIN: 763477000460