1000 lb Zinc Plated Trailer Jack with 6" D Wheel & 10" Travel by SeaSense. This trailer jack provides quality and durability at an affordable price!. This superior product is perfect to make your trailer towing experience safe and convenient. Designed to meet the highest quality standards, it is 2nd to none in durability and performance.Specifications and Features: Capacity: 1000 lb Grease Fitting: No Handle Style: Standard Lift: 21" Travel Length: 10" Wheel Size: 6" x 1-3/4" Finish: Zinc Plated A: 16" B: 23"