DOP200GLHD176DY 20" 3/8" Pitch .050 Gauge Pro Lite Chain saw Bar fits Dayton Chainsaws. Sprocket nose with Guard Mate holes. Fits Large Style 3/8" Pitch Chainsaw Chains (72 Series). Fits Dayton model 2Z462, 2Z463, 2Z561, 2Z971, 4Z251, 4Z252, 4Z397, 4Z973, 6Z826, 7Z627 Chainsaws.