●Applicable: BMW engine models N62 / N73. ●Use the tool to fix on the input/output crankshaft to adjust the interval of crankshaft. ●It could check the crankshaft interval(smaller than 0.5mm). ●Contents: FixtureA for input crankshaft x 1 FixtureB for output crankshaft x 1 Support with screw x 1