Features: Aids in assembly and disassembly of most 41 mm, 43 mm, 46 mm and 47 mm Kayaba and Showa inverted forks. Made from hardened steel. Not required on the '91-'92 Honda CR models.. Is used in applications where the manufacturer recommends the following tools: Honda OEM tool# 07PMB-KZ4010A; Yamaha OEM tool# YM-01423..