OREGON CHAIN FOR CASTOR CHAINSAW PITCH 20 THICKNESS 1.3 mm Chain adaptable to models: C40 - C40E - CP41 - CP45 The chain is available in the following links: - 55 links: length 30 cm - 61 links: length 35 cm - 65 links: length 40 cm - 72 links: length 45 cm OREGON