

48.5mm, 16-notch pattern matches up with Wheels Mfg bottom brackets, along with some FSA MegaEVO bottom brackets.
The 44mm, 16-notch side matches up with Wheels Manufacturing bottom brackets, along with many other outboard bearing bottom brackets including Shimano, FSA MegaEXO, Campagnolo Ultra Torque and SRAM/Truvativ.
Socket is machined for 1/2" drive, but a 3/8" to 1/2" adapter is included so you can use it with 3/8" drive torque wrenches.
Machined 6061aluminum, anodized red