OREGON CHAIN FOR TAS-TANAKA CHAINSAW PITCH 72 THICKNESS 1.3 mm Chain adaptable to models: 650 - ECS506 - 655 The chain is available in the following links: - 52 links: length 33 cm - 60 links: length 40 cm - 64 links: length 45 cm - 66 links: length 45 cm - 70 links: length 50 cm OREGON