20" Replaceable Sprocket Nose Bar / Silver Streak R2632081-4025SSPack Size:1Carlton 20-42-A372-ST, Carlton 20D025A3PS, Carlton 20-42-K381-SP, Carlton 20-42-K381-TC, GB SN20-63PJ, Oregon 203RNBD025, Oregon 203SLGD025, Windsor 214063STA, Windsor 204063SPNJNHC 075-2007, Rotary 4764, Sandvik 204063STJ, Stens 075-200, Stens 075-546, Tilton T208SR2Stihl 024, 026, 028, 029, 030, 031, 032, 034, 036, 036QS, 038, 039, 040, 041, 042, 042AV, 044, 045, 046, 048, 056, 064, 066, E15, E20, E220, MS240, MS241, MS241C, MS260, MS260C, MS261, MS261C, MS270, MS270C, MS271, MS271C, MS280, MS280C, MS281, MS290, MS291, MS291C, MS310, MS311, MS340, MS341, MS360, MS360C, MS361, MS361C, MS362, MS362C, MS380, MS381, MS390, MS391, MS440, MS441, MS441C, MS460, MS461, MS640, MS650, MS660, MS661 and MSE220Pitch: .325", Drive Links: 81, Gauge: .063, Length: 20 ", Type: Replaceable Sprocket Nose