solid brass construction for long-lasting performance and reliability. Designed for 1/4 inch NPT connections, ensuring compatibility with a wide range of air tools and . Easy to install and operate, making it a perfect replacement for worn or damaged valves. Ideal for regulating air pressure in compressed air systems and water heating applications. Includes 4 pieces, providing an excellent value for maintenance and repairs of your air tools and heating systems. Features: * unused *Made of material, *4PCS 1/4" NPT Inline Regulator Solid Brass Compressed Air Pressure Valve Tool *With 1/4" female NPT threads on side and 1/4" male NPT on the other side *Used at of a air hose before the air tool for easy and precise adjustment with the turn knob *Round turn knob to adjust Specifications: *Total length: 1-5/8"(.) *Can be installed in either direction *Air line hook-ups: 1/4" NPT *1/4" NPT diameter: 1/2" (.) *Material: Brass *Color:As Pictures Show *Quantity: 4Pcs Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data. ========== Structure : Shutoff Material : Brass : China Certification : None Color: As Shown Material: Brass Package Contents: 4*Air Pressure Valve Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.