Fits 16-notch tool fittings with a major diameter (outside of notches) of 44–45 mm and a minor diameter (inside of notches) of 42.7 mm, including:

• Shimano® BB80, BB5700, XT® BB70, BB51, and previous external bearing threaded bottom bracket cups
• Threaded bottom bracket cups from Campagnolo®, Chris King®, FSA® MegaExo®, Hope™, SRAM®/Truvativ® GXP®, Race Face® X-type, Surly®, Wheels®, Fulcrum®, and others
• Center lock disc brake rotor lockrings
• Bafang BBSH, BBS02 mid-drive motor lockrings

Not designed for use with impact drivers or other power tools.