1. Material: 65Mn Steel 2. Nearly five thousand kinds of clutch plate, supply all kinds of Allison, Caterpillar, Case, Ford, Furukawa, I. H. C, JCB, John Deere, Kawasaki, Komatsu, MF, Mitsubishi, TCM, Twin Disc, Toyota, Volvo, and ZF etc. 3. We can produce according to your drawings. 4. Good quality with low price.