Feature: 1. The surface is coated with multi-layer silica gel, which has strong corrosion resistance 2. Non-slip and practical. The appearance is exquisite, sturdy and wear-resistant 3. Standard screw interface, the screw interface is adapted to market specifications, in accordance with the pipe thread size 4. Stainless steel handle, the handle of the ball valve is made of stainless steel, which is not easy to rust and has a long service life 5. Electroplated valve ball, high temperature integrated forging, thicker wall, higher strength and wear resistance Specification: Type Item Number: Ball Valve Material: Cast Copper Model: 1/4 Inner and Outer Thread Ball Valve External Thread: Approx. 13mm/0.51in Internal Thread: Approx. 12mm/0.5in Drive Mode : Pneumatic Purpose: Air Compressor Ball Valve Accessories Package List: 2 x Ball Valve Note: Please allow 0-2cm error due to manual measurement. thank you for your understanding