Dutton-Lainson 3400 Swivel Trailer JackDutton-Lainson swivel jacks are easy to install and offers an excellent way to save you some effort when maneuvering a loaded trailer. Constructed from heavy gauge steel with a zinc plate finish for ultimate durability in all environments. This swivel trailer jack is easy to install and comes with all necessary bolt on mounting hardware required. The 6" diameter wheel is made of heavy duty polypropylene to resist flat spots and cold weather cracking for a long life. Easy to swivel the jack up when towing and down for stowing, either way being held in place by a spring loaded locking mechanism. A side wind handle features an ergonomic handle grip with an extra heavy screw drive for easy use.Product Features: Zinc Plated Finish; Heavy Gauge Steel Construction; Mounting Hardware Included; Spring Loaded Locking Mechanism; 6" Heavy Duty Wheel; Specifications: Capacity: 1,200 lbs.; Fits Square Tongues up to: 3" x 5"; Diameter Mounting Hole: 2-1/2"; Max Tongue Height: 25"; Total Travel: 11";