Made from heat-treated S2 tool steel for the ultimate in strength and lasting performance Professional quality, precision sized for the perfect fit Fits all Campagnolo cassette lockrings and Record, Chorus, Centaur, and Athena bottom brackets Designed to work with Pedro`s snap-channel Pro Socket Handle, a 24mm socket or wrench, or in a bench vise Bottom Bracket Socket 6460205UPC/EAN/GTIN: 790983106119