Give your towing setup a stronger mix of flexibility and American-made craftsmanship with the CURT StowPro Adjustable USA-Made Ball Mount #45971. Constructed from start to finish in the USA using domestically sourced materials, this adjustable mount is designed to accommodate changing trailer needs with minimal fuss. The rotating dual-ball assembly lets you switch between 2 in and 2-5/16 in couplers, while the reversible shank provides up to 5 in of drop or 5-1/2 in of rise for dialing in the proper connection height. After towing, the dual-ball assembly can be flipped into a stowed position, helping keep the hitch configuration tidy. Features:• Made from start to finish in the USA• Rotating dual ball enables quick coupler changes• Reversible shank simplifies height positioning• Stows the ball assembly when not in use• Theft resistant assembly helps deter removal• Handles multiple vehicle-trailer combinations• Fatigue tested beyond industry standardsSpecs:• Product Number: 45971• UPC: 612314459711• Country of Origin: USA• Shank Size: 2-1/2 in• Receiver Opening: 2-1/2 in x 2-1/2 in• Hitch Pin Hole: 5/8 in• Ball Diameter: 2 in and 2-5/16 in• Ball Finish: Chrome• Finish: Carbide black powder coat• Maximum Drop: 5 in• Maximum Rise: 5-1/2 in• GTW Capacity with 2 in Ball: 10, 000 lbs.• GTW Capacity with 2-5/16 in Ball: 18, 000 lbs.• Included Pins: Three stainless steel pins• Safety Standard: SAE J3352• Warranty: Limited lifetime; one-year finish and one-year parts coverage• Capacity Note: Do not exceed the capacity of the lowest-rated towing component 5 in drop USA-made 2-1/2 in shank | Curt StowPro Adjustable Ball Mount, 5 in Drop, 2-1/2 in Shank, Dual Ball #45971 in Black