1Essential Tool: Crankcase splitter separator is a must tool for disassembling vertically split 2 and 4?stroke crankcases; Crank puller installer tool is a must tool for assembling vertically split crankcases. 2Function: The splitter tool makes crankcase disassembly easy by safely pushing the crank assembly out of the case halves. 3Practical Accessories: Adjustable arms permit it to be used on a variety of bolt patterns. This style of crank is more common replacement for Kawasaki Kx models. 4Size: Crankcase splitter tool includes both 8mm/0.31in and 6mm/0.24in mounting bolts. Crank puller include both male and female M10x1.25mm and M12x1.25mm adaptors to attach to crank assembly. 5Premium Material: Made of premium steel material, antirust, sturdy, wearproof, not easy to break, durable in use.