Compatible with Honda GX160 GX200 lawn mower crankshaft. The seal ring size is 25x41.25x6mm, please check carefully. Made of rubber, it has excellent wear resistance and elasticity, effectively prevents oil leakage and extends the life of the crankshaft. It has good high temperature resistance and chemical corrosion resistance, adapts to the high temperature environment of the engine, and maintains a stable sealing effect. Contains 4 seal rings to meet the one-time replacement needs, convenient maintenance and maintenance., Manufacturer: LT Easiyl