Curt Manufacturing 48339 Towing Wiring Fits trailer hitches with a 2 1/2" x 2 1/2" receiver tube opening Bent face plate and solid shank provide superior strength Mounts any CURT adjustable pintle hook or ball & pintle combination Three-position height adjustment allows for precise trailer leveling Protected by a highly durable carbide powder coat finish Pintle mount, 3 position Solid steel 2-1/2 IN x 2-1/2 IN