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-screw models: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. Compatible with Ariens: 21546238, 21546299, 21549012. Husqvarna: 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. McCulloch: 532192870. Dixon: 532187292, 532192870. Raisman: 80-12-001. Rotary: 11590. Oregon: 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. Uses 2RS bearing with pre-filled grease; no additional grease required. Mounting holes are pre-tapped for easier installation. Spacer must be installed under the pulley. Installing spacer on top of the pulley or omitting spacer may cause damage to 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. Only the items listed are included; other products are not included. Note: Lighting and display differences may cause slight color variation between image and actual item. Measurement error allowance: +/- 1-3cm.