Pedros campag and sks bottom bracket wrench made from 4mm thick precision laser cut heat treated tool steel for the ultimate in strength and long lasting performancepedros designed each flat wrench to fit perfectly protecting the component and ensuring simple and safe usage for the mechanicergonomically designed flat wrench also features a single ended design with cushioned grip to provide maximum leverage comfortfits campagnolo 6 notch sc s and ac h cartridge cups used on sealed cartridge