OREGON CHAIN FOR ZENOAH CHAINSAW PITCH 73 THICKNESS 1.5 mm Chain adaptable to models: G621AVS - G6200 - G7700 The chain is available in the following links: - 52 links: length 33 cm - 60 links: length 40 cm - 64 links: length 45 cm - 70 links: length 50 cm - 72 links: length 50 cm OREGON