DOP180ATMD025ST 18" .050 Gauge Laser Tip Chain saw Bar fits Stihl Chainsaws. Solid nose with wear-resistant alloy laser welded around the tip. Fits Stihl model 024, 024 Super, 026, 026 Pro, 026P, 028, 028 Super, 029, 030, 031, 032, 034, 034 Super, 036, 036 Pro, 036 QS, 038, 038 Super Magnum, 039, 040, 041, 042, 044, 044 Magnum, 045, 046, 046 Magnum, 048, 056, 056 Super, 064, 066, 066 Magnum, E15, E20, E220, Farmboss, MS 200, MS 260, MS 260 Pro, MS 270, MS 270 C, MS 270 C-B, MS 270 CQS, MS 280, MS 280 C-BQ, MS 280 CQS, MS 290, MS 310, MS 341, MS 360, MS 360 C, MS 360 Pro, MS 360 QS, MS 361, MS 361 C-B, MS 361 QS, MS 390, MS 440, MS 440 Magnum, MS 441, MS 441 C, MS 460, MS 460 Magnum, MS 650, MS 660, MS 660 Magnum, MSE220Q, MSE220 Chainsaws.