- Made from heat-treated 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. Pedro's socket tools provide a professional quality, precision fit tools required to properly install, remove, and adjust modern drivetrain components. Pedro's designed each socket tool to fit perfectly, protecting the component and ensuring simple and safe usage for the mechanic. The Campy BB and Cassette Socket is designed to fit over Campagnolo bottom bracket spindles and work seamlessly with Pedro's snap-channel Pro Socket handle, any 24mm socket/wrench, or in a bench vise. Backed by Pedro's lifetime warranty.