Features 1、Wide Application: Perfect for utility trailers, pop up campers, motorcycle trailers, cargo trailers, concession stands and more. 2、440‑690mm Adjustable: The retracted height is 440mm, the extended height is 690mm, and the lifting height is 250mm. It is foldable and retractable for easy travel. 3、Premium Material: Made of industrial grade iron material, galvanized coated for rust resistance, weather resistance, and durability. 4、Heavy Duty Design: Trailer jacks carry a maximum weight of 2000kg and are all designed to withstand the rigors of RV travel and camping. 5、Easy Installation: Includes necessary mounting brackets and bolts for easy installation and removal, suitable for RVs, trailers, SUVs, campers, and more. Specification Item Type: Trailer Jack Material: Iron galvanized Load Bearing: Approx. 2000kg/4409lb Adjustable Size: Approx. 440-690mm/17.32-27.17in Lifting Height: Approx. 250mm/9.84in Shrinking Height: Approx. 440mm/17.32in Applicable: RV, trailer, off road vehicle, camper Package List 1 x Trailer Jack 1 x Mounting Bracket 2 x Bolt