Fit for Husqvarna, Sears, Craftsman, Ariens, Oregon, and AYP 42-inch, 46-inch, 48-inch, and 54-inch decks. Compatible with 54-inch Poulan Pro P54ZX. Fits lawn tractors and mowers with 4 screws: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. Ariens models: 21546238, 21546299, 21549012. Husqvarna models: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch model: 532 19 28-70. Dixon models: 532187292, 532192870. Raisman model: 80-12-001. Rotary model: 11590. Oregon model: 82-026 and others. Blade mount: 5-point star shaped. Replacement part is high quality, durable, and corrosion resistant. Includes top nut, spindle assemblies, blade bolts kit, mounting bolts, grease zerk, pulley locknuts, spacer, 2RS bearing, and pre-filled grease; no additional grease required. Mounting holes are pre-tapped for easier installation. Spacer must be installed under the pulley. Installing the spacer on top of the pulley or failing to use the spacer may cause damage to the shaft and pulley. Overall height: 7-1/2 inches (190mm, includes grease zerk). Mounting hole distance: 5-5/8 inches (143mm). Color: silver. Material: aluminum alloy. Package contents: 1 x spindle, 1 x blade bolt, 4 x mounting bolts. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variations between the image and the actual item. Measurement error allowance: +/- 1-3cm.