Choose this manufacturer-approved hi-lift mower blade for your lawn tractor. This mower blade is designed to replace a worn or damaged blade in your lawn tractor's 23-inch mower deck. The blade measures 23 inches long, 2-3/4 inches wide, .150 Inches thick and has a center star mount hole. It is designed for a 23-inch mower deck, so for a 46-inch deck, use two blades. Torque the blade to 45--55 foot-pounds.