OREGON CHAIN FOR OLEO-MAC CHAINSAW PITCH 73 THICKNESS 1.5 mm Chain compatible with models: 250A - 251 - 251SUPER - 251B - 252 - 254 - 261 - 264 - 271 - 272 - 284 - 350 - 350SUPER - 355 - 460 - 480 - 481 - 482 - 484 - E300 - OM-E300 The chain is available in the following links: - 60 links: length 40 cm - 68 links: length 45 cm - 72 links: length 50 cm - 80 links : length 58 cm - 88 links : length 63 mm - 98 links : length 75 mm OREGON