Dutton-Lainson Dutton Lainson Swivel Tongue Jack Model 6400 1000lb.. tongue weight capacity. Rotates easily to horizontal towing position and locks in place. This jack features maximum maneuverability from offset swivel caster assembly. The floating miter gear allows for proper clearance and easier operation. There is a 2-1/2" diameter mounting hole in the swivel bracket that fits most other brands of mounting hardware. Features a zinc plated TUFFPLATE finish. Fits square tongues up to 3" x 5". This is a bulk item and does not include any hardware. Features of Dutton-Lainson Dutton Lainson Swivel Tongue Jack Model 6400 1000 Lb. Tongue Weight Capacity: 1000 lbs. Fits square tongues up to 3" x 5" Wheel Size: 6"; Travel: 10" Maximum Tongue Height: 25" Swivel Pin Diameter: 3/8" Package Contents: Dutton-Lainson Dutton Lainson Swivel Tongue Jack Model 6400 1000 Lb. Dutton-Lainson 22473: Dutton Lainson Swivel Tongue Jack Model 6400 1000lb.