Jonsered 20" ISE&reg; replacement chainsaw Chain Model #670, 670 West Coast, 2065, 2071, 2077, 2083, 2083ll, 2094, 2095 (oregon equivalent 7272) Highest quality replacement chain replaces Jonsered Chainsaw Chain- 20 Inch, 72 Drive Links, 3/8 Pitch, .050 Gauge