material: premium flex plus carbon steel
surface finish: chrome plated according to ISO 1456:2009
ergonomic heavy duty double component handle

How to use the tool:
The wrench is used to remove and install Shimano Hollowtech II, Campagnolo Ultra-Torque and Power Torque, Race Face, FSA, SRAM, Truvativ, Chris King bottom brackets as well as many and others. Small wrench is included for removal and installation of Shimano plastic bolts that are used on the Hollowtech II cranksets. The 1609/2BI wrench also fits on the external centerlock disc nut.