The Oregon 91143 Gator G3 Mower Blade is a commercial-grade mulching blade designed for superior cutting performance. Featuring angled teeth for finer mulching and a Fusion™ coating for enhanced durability and extended blade life, this high-lift blade measures 412.75mm (16-1/4 inches) in length, 57.15mm (2-1/4 inches) in width, with a 3.81mm (0.150 inches) thickness and a 15.875mm (5/8 inch) center hole. It is an ideal replacement for various AYP, Craftsman, Husqvarna, Poulan, and Snapper riding lawn mowers and tractors.