This 8-inch double solid rubber swivel trailer jack features a bolt-on mount and supports up to 900 kg of trailer tongue weight.It includes mounting hardware for secure installation on the trailer tongue.The dual 8-inch solid rubber wheels smooth mobility during positioning and coupling.A sidewind handle provides 11 inches of vertical adjustment, resulting in a retracted height of 13 inches and an extended height of 24 inches.The swivel bracket rotates upward for towing clearance and locks in place with a pull pin.The zinc-plated finish offers corrosion resistance against water, road salt, and other environmental elements.Suitable for boat trailers, caravans, RVs, and trailers.