Features:Application,used to install and remove the bottom bracket of the 16-notch threaded outer bearing-with an outer diameter of 44mm. suitable for 16-notch rotor-disc-locking-ring.Fitment1 ,compatible with shimano-bb80, bb51, bb5700, xt-bb70 and previous external bearing-threaded cups.Fitment 2,also compatible with chris-king, campagnolo-fsa megaexo, fulcrum-hope, race-face x type-sram / truvativ-gxp, surly-wheels and other external thread types.High-quality material,aluminium-alloy-ratchet/torque-wrench compatible with 3/8"-drive.Package included,1pc 16-notch bottom bracket tool. Specifications:Material:Aluminium-Alloy Note:Please allow 1-2cm errors due to manual measurement. Due to the difference betweeen different monitors,the picture may not reflect the actual color of the item. Package includes:1 Piece BBT-69.2 Bottom Bracket Tool