OREGON CHAIN FOR MC CULLOCH CHAINSAW PITCH 73 THICKNESS 1.5 mm Chain adaptable to models: 850 - DE50 - SP60 - SP81 - TITAN50 - TITAN57 - 955 - 1000 - CP55 - CP70 - CP70L The chain is available in the following links: - 60 links: length 40 cm - 71 links: length 50 cm - 81 links: length 60 cm OREGON