`- Double-sided socket tool for installing and removing both 48.5mm and 44mm 16-notch bottom bracket cups\n- Socket is machined for 1/2" drive, 3/8" to 1/2" adapter is included so torque wrenches can be used\n- Compatible with all Wheels Mfg bottom brackets\n- Machined 6061 aluminum in anodized red\n- Made in the USA