Features: Our pipe joints are made of high-quality brass, which has durability, corrosion resistance, high-temperature ductility, and low magnetic permeability. The threaded pipe fitting are manufactured using precisions technology, with clear and deep threads to prevent leakage. Reducing hexagonal sleeve fitting are used to connect mother pipes of the same diameter. Hexagonal nuts for easy tightening and loosening. Due to the standards thread design of the quick connector, the brass hexagonal connector can quickly connect pipes. Joint adapters are widely used and are often used to connect various pipelines, such as air pipelines, fuels pipelines, water pipes, etc. Specifications: Material: Brass Thread Types: 1/8 ", 1/4", 3/8 ", 1/2", 3/4 ", 1" (Optional) Size: As Shown In The Picture Package Includes: 1x Quick Connector note: Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.