H80 is the latest design in .375 pitch chisel saw chain. The new V shaped cutter gives optimal cutting speeds without sacrificing safety, making this the smoothest, fastest cutting ANSI approved chain available. Round chisel cutters work well in both softwoods and hardwoods. H80 works best in clean cutting conditions, where there is limited contact with dirt and other abrasive materials. Chain is .375 pitch, .050 (1.3mm) gauge. H80 chain sharpens with a 7/32" round file or 3/16" grinding wheel. Pitch 3/8" (.375") Gauge .050" (1.3mm) Sequence Standard Cutter Type Chisel Recommended Saw Sizes 3.0 - 6.0 cubic inches (50-100cc) Recommended Bar Lengths 12"-36" (30-90cm) Kickback Reduction Features Low Kickback by Cutter Design ANSI Approved Low Kickback Chain Yes Replaces Oregon Part Number 72V-72 Attention: This Husqvarna saw chain is low kickback chain. It met the kickback performance requirements of ANSI B175.1 when tested on a representative sample of chainsaws. Its safety features significantly reduce the hazard of kickback while maintaining high cutting performance. ALL CUTTING CHAINS CAN KICK BACK, which may result in severe personal injury to the saw operator or bystanders. Operate your saw safely. Read all warnings in your chainsaw operator's manual.