This brake caliper rewind tool is designed with an adjustable adaptor that fits pistons with a pin distance from 20mm to 35mm, ensuring the tool fits a huge range of vehicle applications. Features and Benefits The rewind tool is designed with a powerful internal spring that applies steady pressure to the piston when the T-handle is turned to ensure the piston mechanism is wound back The set includes a standard two pin adaptor and a three pin adaptor which is designed for electronic park brake calipers, to ensure compatibility with many different vehicles The rewind tool is compact for use on smaller calipers, for example, the Mini The rewind tool is a 3/8in. drive Typical Applications The set is designed to be used on many different vehicle applications, including electronic park brake calipers and smaller calipers