Fits 12-notch bottom bracket tool fittings with a major diameter of 4850 mm and a minor diameter of 46.3 mmFeatures a ratchet/torque wrench-compatible 3/8` driveCompatible with Praxis Works M30External BB SocketBlack12-Notch48mmBBT-35-12Praxis Works M303/8`UPC/EAN/GTIN: 763477001375