Torsion Spring / Stihl 1117 182 4500Pack Size:1Stihl 1117 182 4500Stihl 017, 018, 019 T, 021, 023, 024, 025, 026, 028, 029, 032, 034, 036, 038, 039, 042, 044, 046, 048, 064, 066, 084, 088, MS170, MS171, MS180, MS181, MS190 T, MS191 T, MS210, MS211, MS230, MS240, MS250, MS260, MS270, MS280, MS290, MS310, MS311, MS340, MS341, MS360, MS361, MS362, MS380, MS381, MS390, MS391, MS440, MS460, MS461, MS640, MS650, MS660, MS661, MS780, MS880 chain saws; TS400 Cutquik saws