DOP91VG055GST Loop-Saw Chain. XtraGuard® 91VG Semi Chisel Chain. 3/8" Pitch Low Profile .050 Gauge 55 Drive Links. Fits Stihl model 009, 009L, 010, 011, 012, 015, 017, 018, 018C, 019, 019T, 020, 020T, 021, 023, 023C, 023L, E10, E14, E140, E180, E180C, HT 130 Pole Pruner, HT 131 Pole Pruner, HT 250 Pole Pruner, HT 73 Pole Pruner, HT100 Pole Pruner, HT101 Pole Pruner, HT70 Pole Pruner, HT75 Pole Pruner, MS 180 C-B, MS 180 Cspw, MS 191T, MS 192T, MS 200T, MS 210, MS 210 C-BE, MS 210 C, MS 220, MS 220 Q, MS E140, MS E180C, MSE 140, MSE 140 C, MSE 180, MSE 180 C Chain Saws and Pole Saws.