20" Guide Bar & ***Pack Of 2 Saw Chains*** Fits STIHL MS390, 044 MS440, 046
029, 034, 036, 038, 039, MS290, MS310, MS340 MS360, MS390. 044 MS440, 046, MS460, 064, MS640, MS650, 066, MS660. This saw chain has a semi-chisel cut which is fast cutting and remains sharper for longer.