20BPX is perfect for professional woodcutters who want a fast cutting saw chain with stay sharp features on their .325"-pitch chainsaws. The Micro Chisel cutters have small-radius working corners for fast cutting and easy sharpening, yet they stand up better in dirty conditions as compared to chisel chain. Vibe-Ban reduces vibration at the handles by 25% or more. Like most Mr Mower parts chainsaw chain this style has LubriLink tie straps help keep oil where it's needed - on the chain. Top-plate witness mark makes accurate sharpening angles easier.