OREGON CHAIN FOR CASTOR CHAINSAW PITCH 73 THICKNESS 1.5 mm Chain adaptable to models: CP55 - CP56 - CP65 - CP66 - CP600 - CP600I - CP650 The chain is available in the following links: - 59 links: length 40 cm - 64 links: length 45 cm - 68 links: length 45-50 cm - 72 links: length 50 cm OREGON