The Oregon 72V0100U AdvanceCut Saw Chain reel contains 25 feet of 72V chain, an ideal low kickback chain for homeowners and occasional chainsaw users. The low-vibration, full chisel cutters offer reliable performance. Our unique bent-over depth gauges provide smooth cutting and low kickback performance. Compatible fit with Stihl 33RS3 100R as well as Husqvarna H80 100U and 503308201. Replaces many OEM parts, including but not limited to the following: Stihl - 33RS3 100R, Husqvarna - H80 100U, Husqvarna - 503308201