OREGON CHAIN FOR CHAINSAW ONLY PITCH 91 THICKNESS 1.3 mm Chain adaptable to models: 600 - 605VA - 606VA - 631 - 632 - 634 - 638 - 641 - FARMER31 - FARMER32 - FARMER38 The chain is available in the following links: - 47 links: length 30 cm - 53 links: length 35 cm - 58 links: length 40 cm OREGON