DOP73V072GPI Loop-Saw Chain. Vanguard™ Chisel Chain. 3/8" Pitch, .058 Gauge, 72 Drive Links. Fits Pioneer model 1072, 1073, 515, 970, Farmlite, Farmsaw, Farmsaw II, P-11, P-20, P-25, P-285, P-38, P-39, P-41, P-42, P-45, P-50, P-51, P-52, P-60, P-61, P-62 Chain saws.