Sprocket Rim for Dolmar, Jonsered Oleo Partner, and many other models. Sprocket for 340, 345, 346XP, 350, 353, 357, 359, 50, 51, 55, 40, 45 Chainsaw – Small 7 Spline. Compatible with 024, 026, MS260, MS261, 028AV, 029, 039, 034, 036, MS250, MS260, MS290, MS390, MS310, MS270, MS280 Chainsaw models. Replacement part numbers: 501457402, 11892. High-quality replacement sprocket with long service life. Color: As shown in photo Material: Metal Size: Approximately 19mm Package Contents: 6 x Sprocket Rim Note: The package includes only the items listed above. Other products are not included. Lighting and display differences may cause slight color variations between the image and the actual item. Measurement may vary by +/- 1-3cm.