OREGON CHAIN FOR OLEO-MAC CHAINSAW PITCH 21 THICKNESS 1.5 mm Chain adaptable to models: 938 - 942 - 941 - 945 - 950 - 946 - 950SUPER - 947 - 956 - 962 - 950A - 951 - E300F The chain is available in the following links: - 52 links: length 28 cm - 56 links: length 33 cm - 60 links: length 35 cm - 64 links: length 38 cm - 66 links: length 40 mm - 68 links : length 40 mm - 72 links : length 45 mm - 78 links : length 50 mm OREGON