The chain that made lightweight saws possible. Pitch: 3/8in. File size: 7/32in. Loop size: 18in. Drive links: 66 Gauge: .050in. Round-cornered "semi-chisel" cutters work fast and are more tolerant of sharpening errors (typically) than most cutter types Bumper drive links help reduce kickback Excellent performance in dusty or dirty conditions LubriLink™ tie straps help keep oil where its needed - on the chain