New improved design! 20"/21" 72v vaguard full chisel premium c-loop chain, 72 drive links, fastest, smoothest, low-kickback chain available, no other chain this safe cuts this fast, heavy duty full-chisel cutters, wide track depth gauges for speed & safety, low-vibration vibe-ban design decreases vibration up to 30%, lubrilink tie straps ensure full-time oil saturation of the bar & chain, chain meets ansi standards, fits husqvarna, Remington & Dayton chain saws.