Made from heat-treated S2 tool steel for the ultimate in strength and lasting performanceProfessional quality, precision sized for the perfect fitFits all Campagnolo cassette lockrings and Record, Chorus, Centaur, and Athena bottom bracketsDesigned to work with Pedro`s snap-channel Pro Socket Handle, a 24mm socket or wrench, or in a bench viseBottom Bracket Socket6460205UPC/EAN/GTIN: 790983106119