DOP20BPX067GST Loop-Saw Chain. 20 Series MicroChisel® .325 Pitch, .050 Gauge, 67 Drive Links. Fits Stihl model 024, 024 Super, 026, 026 Pro, 026P, 028, 028 Super, 029, 030, 031, 032, 034, 034 Super, 036, 036 Pro, 036QS, 039, Farm Boss, 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 360, MS 360 C, MS 360 Pro, MS 360QS, MS 390 Chain saws. Replaces 33SL067G.