Holds Gas Charged Lift Supports Up to 9/16", Found On Hoods, Tailgates, Hatchbacks and Trunks. Neodymium Magnet Holds the Tool in Place While Securing the Clamp. The clamp securely holds weak lift supports in the extended position. This allows access to engine compartment or rear luggage area. The aluminum body and brass threads prevent damage to the lift support shaft. The colorful flag is a reminder to remove the clamp before using.