• Superior air pressure design gently lowers speaker cabinets (Max: 45kg) eliminating sudden drops for safety. • "Non-nut" design for leg tube joint can provide elegant outline and safety for use and transportation. • Steel tripod leg fitting provides strength and stability. • "Plastic base plug" joint master tube and legs brace for strength and durability. • Heavey duty, portable design Specification • Height adjust:1300-2000mm • Material:steel and plastic • Load capacity:45kg