Made from forged aluminum body, the Classic line master cylinder by Kustom Tech in Italy comes in a raw aluminum body, lever and finned cover held in place with two screws. The compact size with finned cover and the smooth lever will give a very retro-style look for all custom projects. It fits all 1" handlebars and has a 14 mm bore size. For use with DOT 4 or DOT 5 brake fluid. The included banjo bolt is 10mm x 1.00.