General description Adaptor specifically introduced for VAG pistons on models with EPB 3 pin brake piston wind back tool. It is designed for use on VAG models, Renault Megane and Scenic, and Volvo vehicles fitted with Electronic Park Brakes. This adaptor should be used in conjunction with electronic park brake tools, not as a replacement. Technical specifications Drive type: 3/8""D and two pin drive option Outside diameter: 39mm Pin PCD: 32mm Pin diameter: 3mm