Precision Digital Bump Steer Gauge with Billet PlateNew precision plate, 3 8" thick T6 Billet aluminum for the ultimate in accuracy. Anodized and laser engraved New compact frame. More rigid billet and tube design for the best accuracy. Bright dip anodized. This simplified bumpsteer gauge design uses a single precision digital indicator to tell you directly the exact amount of bump steer within . 001". No need to subtract one reading from another no chance for error. Most accurate, easiest and quickest