Feature:1. It is a silver internal hex head pipe connector, male threads for use with female threaded pipes, used to close and terminate the end of the pipe.2. Very suitable for blocking the intake manifold water port, water pump port, water temperature and oil sensor hole, engine block.3. The stainless steel NPT male pipe has high strength and hardness, which reduces your troubles of water leakage and water leakage during use.4. Hex socket and male thread plug is made of high‑quality stainless steel, which has corrosion resistance, high temperature ductility and low magnetic permeability.5. The internal hex thread male plug can prevent leakage of air, steam, gas, water, oil and pressurized fluids.Specification:Item Type: Pipe Plug Male Thread FittingMaterial: Stainless SteelSpecification: 1/4in NPT Male threadApplication: The stainless steel plug is very suitable for blocking the intake manifold water port, water pump port, water temperature and oil sensor hole, engine block, etc..Package List:2 xPipe Plug Male Thread Fitting