This Stainless steel Boat Trailer Leaf Spring U-Bolt kit fits 2 inch by 2 inch square axles. Stainless Steel prevents rust in the harsh marine environments. This U-Bolt Kit is used to mount your trailer leaf springs to your axle by using the 2 U-Bolts and 4 hole plates. This kit includes (4) 1/2 x 2 x 5 5/16 inch square U-Bolts, (2) Stainless Steel 4 Hole Mounting Plates, (8) Stainless Steel nuts and lock washers.
This is the size we sell with our Hot-Dipped Galvanized Axles when using our Adjustable Spring Seats!