Usage Tips: [FIT]Fit for , sears, , , & ayp 42 inches, 46 inches, 48 inches and 54 inches decks. Fits for 54 inches pro P54ZX. [Compatible] lawn & mowers Models With 4 Screws: 187292, 192870, 532187281, 532187292, 532192870, 539112057, 587125401, 587253301. : 21546238, 21546299, 21549012. : 192870, 532187281, 532187292, 532192870, 539112057, 53911207, 587125401, 587253301. : 532 19 28-70. : 532187292 532192870. 80-12-001. rotary 11590. 82-026 and others. [Well-Built] Blade mound: 5 point star shaped. The replacement part is high quality, durable and corrosion resistant. Includes Top Nut, spindle assemblies, blade bolts kit, Mounting Bolts & grease zerk, pulley locknuts, spacer, Use Bearing, pre-filled grease, no need to add grease. [Easy Installation]Mounting holes have been pre-tapped for easier installation, Spacer must be installed under the pulley. Installing with the spacer on top of the pulley (or failing to use spacer) will result in damage to shaft and pulley. Overall Height: 7-1/2 inches (190mm, includes grease Zerk) Mounting Hole Distance: 5-5/8 inches (143mm) colour: silver Material: aluminum alloy Package Contents: 1 x spindle 1 x blade bolt 4 x mounting bolts Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.