This U-Bolt Lifting Attachment is designed for faster and easier rear hookups on many tractors. The attachment is centered on one of the rear U-bolts on each side and then the underlift is raised. The U-bolt attachment lifts on the bolt saddle while the U-bolt and nut guide it into position. These attachments are designed for Rear Lift Only. 1 Pair Included in Kit. Dimensions: 7″ x 3″ Top Length: 4″ Bottom Length: 3″ Bottom Width: 2″ Top Hole: 1 3/4″ Easy to use, only 2 pieces Fits most 2″ receivers Especially handy in applications without much clearance Single 12-0717842