OREGON CHAIN FOR MC CULLOCH CHAINSAW PITCH 20 THICKNESS 1.3 mm Chain adaptable to models: TITAN41 - TITAN46 - 4600 - 4700 - 4900 - 5000 - 10-49 - 10-42 - TIMBERBEAR 849 The chain is available in the following links: - 66 links: length 40 cm - 72 links: length 45 cm OREGON