Campagnolo BR-AT115 Caliper Brake Cable Adjuster.Suitable for Veloce, Centaur and Athena brakes and many older campagnolo brakes. M6 thread with 2 locating flats on the barrel. - 247cycleshop.com
Barrel Adjuster
2x BRAKE LEVER BARREL ADJUSTER M7 for Cable Tension Tuning Road MTB Bikes