This sprocket fit's STIHL 026 028 028AV 029 039 034 036 MS200T Chainsaw. For OEM Part No.:for Carlton SR7-11892, GB GBJ7S7, for Herr 325-8-2, for Husqvarna 501457402 640200010, for Jonsered 50452-3000 50452-3007, for Stihl 0000 642 1236. Package Include:1 x Sprocket Rim.