20" Laminate Sprocket Nose Bar / Silver Streak L3502072-4025SSPack Size:1Carlton 20-42-A172-SP, Carlton 18-42-A172-TC, GB SN20-50SG, Oregon 200SLHD025, Oregon 200SLHD025, Stihl 3003 000 8822, Stihl 3003 000 8921, Stihl 3003 008 8921, Stihl 3003 8921, Windsor 204050SPNAJ. Thomas 200SLHD025, NHC 079-2057, Rotary 4788, Sandvik 214050STAStihl 024, 026, 028, 029, 031, 032, 034, 036, 036QS, 039, 039, 040, 041, 042, 042AV, 044, 045, 046, 048, 056, 064, 066, E15, E20, E220, MS240, MS260, 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 MSE220Gauge: .050, Drive Links: 72, Length: 20 ", Pitch: 3/8", Type: Laminate Sprocket Nose