Oregon Replacement Chain for GreenWorks GCS80420 80V 18-Inch Cordless Chainsaw (9162) Vibe-Ban chassis design reduces vibration 25% or more at the handles. Chamfer Chisel cutters' twin cutting corners offer outstanding performance, durability and easy maintenance. LubriWell oil holes help carry oil around the full length of the guide bar's groove. LubriLink tie straps help keep oil where it's needed  on the chain. Ramp-shaped depth gauges help reduce kickback without affecting performance