Worx 18" Oregon Chain Saw Repl. Chain Model #WG300, WG303, WG304 (9163) 3/8" Pitch .050 Gauge 63 Drive Links Manufactured by Oregon WAP#:9163 Go to amazon.com Related posts Top recommendation for worx chainsaw chain FeatureSold on Amazon DescriptionWorx 18" Oregon Chain Saw Repl. Chain Model #WG300, WG303, WG304 (9163) 3/8" Pitch .050 Gauge 63 Drive Links Manufactured by Oregon WAP#:9163