Amazon.com: Agatige 20 Inch Chainsaw Chain, Replacement Chains Guide Saw Chain, 76 Drive Links, 0.325 in Pitch, 0.058 in Gauge, Alloy Steel Chainsaw Chain Blade Electric Chainsaw Chains for All 20 inch
Oregon 20 in. 81 Link ControlCut Chainsaw Chain at Tractor Supply Co.
Husqvarna H30 20-in 80 Link Replacement Chainsaw Chain in the Chainsaw Chains department at Lowes.com
ECHO 20 in. Chisel Chainsaw Chain - 70 Link 72LPX70CQ - The Home Depot