• Made of brass material, acid resistance, corrosion resistance, high pressure resistancedurable and has a service life.
• Designed with internal hex head in gold tone, external thread.
• The hex plug head is lightweight and compact designed, easy and convenient to install.
• Used for blocking off intake manifold water ports, water pump ports, water temp and oil sender holes, engine block holes, solar tube, etc.
• The hex plug head can withstand greater and larger pressure without tripping.