DOP91VX055GST Loop-Saw Chain. Low Profile™ Semi Chisel Chain. 3/8" Pitch, .050 Gauge, 55 Drive Links Low Profile Saw Chain. 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.