Valterra A10-0900 Trailer Tongue Jack Stand - Red Supports the trailer tongue without the worry of sinking into the asphalt on hot days Eliminates the need to tote and store bulky wood blocks and weighs only 2 lbs. Holds up to 10,000 lbs. Not designed to be used with trailer jacks with wheels or casters Measures 8-5/8" diameter x 8-3/8" high