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【Use】Hex countersunk head for increased leverage and use with a wrench.
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【Function】Socket Hex head solid plug for closing and terminating the end of a pipe.
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【Material】Made of 304 stainless steel, heavy duty, durable and corrosion resistant.
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【Application】Great for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block.
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【Design】Male National Pipe Taper (NPT) threads for use with female threaded pipes; 1/4" NPT Male, male pipe threads for connecting to female threaded pipes or fittings.