18" Bar and Chain Combo / BCL2631874-4025SSPack Size:1Oregon 105706Stihl 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: .063, Drive Links: 74, Length: 18 ", Pitch: .325", Type: Laminate Sprocket Nose