The low-vibration, Micro Chisel cutters have small-radius working corners which provide excellent performance and easy maintenance. This chain fits several Stihl® chainsaw models including MS 290. 024, 024 Super, 026, 026 PRO, 026P, 028, 028 Super, 029, 030, 031, 032, 034, 034 SUPER, 036, 036 PRO, 036 QS, 039, 040, MS 260, MS 260 Pro, MS 261, MS 261 C-M, MS 261 C-MQ, MS 261 CQ, MS 270, MS 270 C, MS 270 C-B, MS 270 CQS, MS 271, MS 280, MS 280 C-BQ, MS 280 CQS, MS 290, MS 291, MS 291 C-BEQ, 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.