OREGON CHAINSAW CHAIN ONLY PITCH 91 THICKNESS 1.3 mm Chain adaptable to models: 614 - 630 - 633 - 635 - 636 - 637 - 640 - 642 The chain is available in the following links: - 45 links: length 30 cm - 52 links: length 35 cm - 56 links: length 40 cm - 60 links: length 45 cm OREGON