Crankcase Separator Tool.
It fits most 2-stroke & 4-stroke engines with vertically split cases. It allows a multitude of bolt patterns to be used. It eliminates binding under heavy loads. It provides 6mm mounting bolts (M6 x 1.0 x 200)， 8mm mounting bolts (M8 x 1.25 x 200) and crankcase separator center bolt with 24mm hex.