Wolf Tooth bottom bracket sockets are tools for installation and removal of external cup bottom brackets. They are machined here in Minnesota with aircraft grade aluminum. Large finger notches so you can start threading the cups by hand 3/8 square socket or 1 hex for ratchet/torque wrench Most sockets have either a Shimano bearing preload tool or a 16mm hex for use with Race Face Cinch cranksets Steel inserts for magnetic coupling compatibility with the Pack Wrench For more details and compatibility information for this product please visit https://www.wolftoothcomponents.com/
