Why ProPartsPlace? Fastest Shipping! Reasonable Prices! Great Feedback! Excellent customer service! This sale is for 1 complete brand new replacement blade spindle assembly for Bush Hog finishing mowers. We are excited to offer this assembly and it meets and exceeds all OEM specifications and you can save a ton of money. Bush MSRP is 184.88 per assembly....do yourself a huge favor. Fits many Model cutters from 4' to the flexwings. DOES NOT FIT RDTH 84 This will replace the Bush Hog part number 50051388. You get everything except the pulley key. They get lost so much in shipping I do not even offer them and you can pick it up at any hardware store for next to nothing. Includes top nut for pulley and blade bolt. Just take a look at the pictures!