Oregon 19HX085E Harvester Saw Chain, .404" Pitch, .080" Gauge, 85 Drive Links Brand_Oregon Harvester They have proprietary Twin-Cup design

They have proprietary Twin-Cup design and can take the noise levels up to 105 dBA

Built to be round and stay round

straight stirrup and a dowel & screw replaceable gaff

the ISC impact pulley is designed to absorb the massive stresses caused by the harsh dynamics of heavy Arborist work (in conjunction with textiles)

Arbor-Plex is a lightweight

Oregon 19HX085E Harvester Saw Chain, .404" Pitch, .080" Gauge, 85 Drive Links Brand_Oregon Harvester They have proprietary Twin-Cup designThe 19HX chain is optimized for modern high flow, high power heads and saw motors for faster cutting speed. It features tall chamfer chisel cutters that combine best in class durability with improved chip clearance to deliver faster and more consistent cuts in all types of wood.