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, 532192870, 539112057, 587125401, 587253301. Compatible with Ariens models: 21546238, 21546299, 21549012. Husqvarna models: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch: 532 19 28-70. Dixon: 532187292, 532192870. Raisman 80-12-001. Rotary 11590. Oregon 82-026 and others. Blade mount features a 5-point star shape. 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 with spacer on top of the pulley or omitting the spacer may damage 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 includes: 1 x spindle, 1 x blade bolt, 4 x mounting bolts. Package content is limited to the items listed; 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.