Fits Many Stihl, Husqvarna, McCulloch, Dolmar Chainsaw, Plus Many Others With The Following Size. M8 Thread, 13mm Across The Flats. Fits: Stihl 009, 010, 011, 012, 017, 018, 020, 020T, 021, 023, 024, 025, 026, 028, 029, 031, 032, 034, 036, 038, 039, 041, 042, 044, 046, 048, 064, 066, E20, E220, MS170 MS171, MS180, MS181, MS190T, MS191T, MS192, MS192T, MS200, MS200T, MS210, MS211, MS230, MS231, MS240, MS250, MS251, MS260, MS270, MS271 MS280, MS290, MS291, MS310, MS311, MS340, MS341, MS360, MS361, MS362, MS380, MS381, MS382, MS390, MS391, MS440, MS441, MS460, MS461 MS640, MS650, MS660 & MS661.
eBay