The Exbbt-Soc is a shop quality, external bottom bracket tool constructed of durable, forged, and heat treated steel that is CNC machined for extremely accurate engagement. This means with proper attention and care, it will not bugger up and mar your expensive BB cups.
It be served up in three ways. either paired with the Lezyne CNC Rod, an adjustable wrench or a 3/8" socket driver. It is compatible with almost all modern external bottom brackets and cassette lockrings. Most folks that purchase this tool are looking for the ultimate socket driver attachment for quality external bottom bracket installation/removal duties. And if that is what you are looking for, you've found it.
Compatible with Campagnolo, Chris King, FSA, Phil Wood, Race Face, Shimano, SRAM, Truvativ bottom bracket cups.