Husqvarna 531300448 12-Inch H36-45 (91VG) Lo-Pro Saw Chain, 3/8-Inch by .050-Inch For Models 325P4, 326P4, 326P5X, 334T, 335XPT and 338XPT 3/8-Inch Pitch .050-Inch Gauge Ideal for professional users in demanding conditions High-performance, low vibration chain