OREGON CHAIN FOR CASTOR CHAINSAW PITCH 91 THICKNESS 1.3 mm Chain adaptable to models: ELETTRA 160 - ELETTRA 170 - HIGH-TECH 1.6 - HIGH-TECH 1.8 - ES180 - HI-TEC 2 - 0Q The chain is available in the following links: - 44 links: length 30 cm - 50 links: length 35 cm - 55 links: length 40 cm - 56 links: length 40 cm OREGON