... with nuts for commercial vehiclesDiameter:27mmInside Width:92mmInside Length:360mmStyle:Flat round bendThread Length:1.5mm,1.75mm,2.0mm,3 ... ,6.8,8.8,9.8,10.9Shaperound,flat round,half-round,square,flat half-round, flat square Surface protection Bake paint, Black oxide, Zinc ... . Car, Truck, Trailer,etc, Axle U-Bolts-Holding the leaf spring to the rear axle. Zinc plating, retards the corrosion rate ...