20" precut loops of Oregon chain saw chain. 3/8" pitch - .50 gauge 72LP chain - round-ground chisel cutters with bumper drive links, Standard Sequence. Oregon 20" Chain Loops 72LP-72G$13.95, 6/$81.00, 30/$375.00 Need more information? Please feel free to contact us at 1-800-592-6940 - Ask for Extension 547 or Internet Sales.