Allows brake calipers to be held securely and wound back while in situ quickly, efficiently, and safely. Specially designed to aid in the winding back of brake calipers. Universal application to cover 99% of all common car makes. Handle Thickness: 10mm. Handle Width: 30mm. Total Length: 505mm. Pin Diamater: 7-11mm. Pin Range: 30-370mm Pin Length: 110mm.