Feature●【Fitment】Can be mounted on RV 4 Inch Bumper.●【Easy installation】Clamp tightly to 4 inch square RV bumper, directly mounted on OE bumper, no drilling or welding needed. Save your time and energy. Instruction is NOT included.●【High quality】Made of durable steel sheet, with more functionality and durability. Black powder coat treatment provides rust protection for the surface.●【Reliable choice】The capacity of this pair of steel support arms is 200 pounds. Compare with hitch-mounted design, securely hold your cargo box or generator tray without shake, rattle, or roll.●【Superior service】: If theres anything we can do for you, please feel free to tell us.Description