Anina 4PCS Square U Bolts with Frame Plates and Nuts Stainless Steel U Clamp Bolts for Wood, Sailboat Trailers, Tube, Industrial Supplies 3/8'' x 4'' x 7'' Thread

Feature: The square U bolts threads are 3/8 " in diameter, 4" in width, and 7 "in length, suitable for 3 x 3" square objects, perfect for 4-inch RV bumpers and other suitable sized Beams, Axles and more; Please check the dimensions before purchasing | All-metal Construction: Made of stainless steel, these U-bolts have excellent rust and corrosion resistance and are firmly fixed without worrying about rusting and peeling from water, suitable for outdoor activities and all kinds of severe weather | U Shape Design: This design provides excellent grip and secure fixation, will not be locked because the surface area of the locked object contact is too small and cause to locking failure; You can also cut square bolts in half to use as a 90-degree clamps | Complete Set: The 4 U bolts comes with 4 frame plates and 4 M10 hex nuts, which is a good complement to make the installation easy and clear; Use lubricants (not included) during installation can prevent wear | Wide Applications: The 4 inch U-bolts provide reliable fixation and widely apply for industrial, automotive, maintenance and more, as well as for boat trailers, ski boats, sailing trailers, snowmobiles, outdoor bicycle trailers, etc