This is a 36"Archer Professional Solid Steel Guide bar thatw orks on Stihl. This combo kit mounts on many Stihl models like the 024, 026, 028, 028S, 029, 030,031, 032, 034, 036, 039, 040, 041, 042, 044, 045, 046, 048, 056, 064, 066, MS270, MS270C, MS270CQS, MS271, MS280, MS280C, MS280CQS, MS290, MS291, MS310, MS311, MS341, MS350, MS360, MS360 PRO, MS360QS, MS361, MS361C, MS362, MS390, MS391, MS400, MS440, MS460, MS500i, MS660, MS661, FARM BOSS.
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