Sealey-VS0246-Spring-Action-Brake-Piston-Wind-Back-Tool-Sealey-VS0246-Incorporates-a-strong-internal-spring-which-applies-a-constant-pressure-to-the-rear-caliper-piston-where-as-a-traditional-tool-uses-a-left-or-right-handed-screw-thread-Suitable-for-use-on-either-left-or-right-handed-wind-back-calipers-Fitted-with-3-8-Sq-drive-but-also-supplied-with-standard-two-pin-magnetic-adaptor-making-the-tool-suitable-for-the-other-adaptors-in-the-Sealey-range-Sealey-VS0246-Spring-Action-Brake-Pist