OEM Part No:2242A377PS, 22D025A3PS, SN2263PA, 224063STA, 223RNDD025, 22A3RNSN, 3003 000 9425Premium Sprocket Tip 3/8 – .063Fits Stihl models 024, 026, 028, 029, 030, 031, 032, 034, 036, 038, 039, 040, 041, 042, 044, 045, 046, 048, 056, 064, 066, 088, E15, E20, E220, FARMBOSS, MS220, MS241, MS260, MS261, MS262, MS270, MS271, MS280, MS290, MS291, MS310, MS311, MS341, MS360, MS361, MS362, MS390, MS391, MS440, MS441, MS460, MS461, MS462, MS640, MS650, MS660, MS661, MS880