OREGON CHAIN FOR CASTOR CHAINSAW PITCH 91 THICKNESS 1.3 mm Chain adaptable to models: 330 - CX35 - 380 - CX40 - 423 - 438 - CX45 - P34 - P34S - CP34S - TR350 The chain is available in the following links: - 44 links: length 30 cm - 50 links: length 35 cm - 56 links: length 40 cm OREGON