Product Description Enables precise measurement of the brake rotor: the DT-3 Rotor Truing Gauge by ParkTool This gauge enables the exact measurement of brake rotors while the wheel is clamped in the TS-2.2 professional truing stand. The DT-3 has an infinitely adjustable, finely adjustable gauge. Suitable for all rotor diameters. Features:enables precise measurement of the brake rotoradjustable gaugesuitable for all rotor diametersManufacturer Number:DT-3 Contents:1 x Manufacturer: Park Tool Company 1185 Eagle Lake Rd Shoreview MN 55126 USA info@parktool.com Distributor: GROFA Action Sports GmbH Otto-Hahn-Straße 17 65520 Bad Camberg Germany info@grofa.com