OREGON CHAIN FOR SHINDAIWA CHAINSAW PITCH 73 THICKNESS 1.5 mm Chain adaptable to models: 550 - 575 - 577 - 680 - 695 - 757 - 757C - YB801 - YB901 - YB1091 The chain is available in the following links: - 60 links: length 40 cm - 64 links: length 43 cm - 68 links: length 45 cm - 72 links: length 50 cm OREGON