Fits on the STIHL MS640, MS650, MS660, MS661, 056, 064 & 066 models that have a 28" bar. P lease ask if you are unsure whether it will fit on your chainsaw. OREGON 75EXL091 Chainsaw Chain. Oregon's PowerCut 75EXL is a top performing chain requiring less force from the operator so is ideal for professional users.
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