C1 Mount, 12 Inches, .043 Gauge (0.250 Pitch = 69 Drive Links, 0.325 Pitch = 55 Drive Links, 0.375/0.370 Pitch (Low Profile)= 48 Drive Links) – *Please Ensure a 1/4″ (0.250) Pitch Drive Sprocket is Available For Your Chainsaw if You Wish to Run 1/4″(0.250) Pitch Chain