The Laser 6084 is a 3 piece kit designed to allow a Dial Test Indicator (DTi) gauge to be mounted securely in position against the brake disc to measure disc warp. This kit is ideal for the measurement of run-out on almost any rotating component including: Brake disc run-out Drive flange run-out & end float Differential drive flange run-out End float propeller shaft run-out Flywheel run-out Crankshaft end float Crankshaft & bearing ovality Lathe/turning machine run-out & ovality. The 6084 can also be used on motorcycles. The simple locking pliers allow the tool to be locked to any handy suspension bracket or component, & its unique design allows the DTi gauge to be rigidly mounted in almost any position.