Item Type: Lift Support Clamp Material: Aluminum alloy Application: It is a special tool for fixing the lifting rod of the hood of the car engine to prevent damage to personal caused by failure. Compatible with 14mm threaded spark plugs. Package List 2 x Lift Support Clamp 12 in 1 Tool: This product is a 2 in 1 hood Lift Support clamp + spark plug gap caliper tool. Perfect for car owners or mechanics who need versatile tools in one. 2Advanced Design: The curved structure and larger force area offer superior performance, making it easier to secure the lifting support jig onto the hood, tail cover, hatchback, or trunk. 3Easy Spark Plug Adjustment: Screw the spark plug into the tool, measure the gap size, and adjust the gap by turning the knob, all in one convenient tool. 4Enhanced Stability: The bracket fixed clamp keeps the lifting bracket in a straight state for improved stability and precision. Tighten it with the knob until it is fixed on the lifting rod. 5Lightweight and Durable: Made of premium aluminum alloy, this tool is lightweight and easy to control. Replace electrodes more accurately and efficiently with this compact and sturdy tool.