OREGON CHAIN FOR SHINDAIWA CHAINSAW PITCH 20 THICKNESS 1.3 mm Chain compatible with models: 360 - 366 - 377 - 400 - 415 - 416 - 420 - 446S - 450 - 451 - 488 - 490 - 500 - 510 - 560 - 580 - A180B The chain is available in the following links: - 56 links: length 33 cm - 66 links: length 40 cm - 72 links: length 45 cm OREGON