Features: *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 the end of a air hose before the air tool for easy and precise adjustment with the turn knob *Round turn knob to adjust Specifications: *Product Name: Air Pressure Valve *Total length: 1-5/8"(Approx.) *Can be installed in either direction *Air line hook-ups: 1/4" NPT *1/4" NPT diameter: 1/2" (Approx.) *Material: Brass *Sizeas picture *Color:As Pictures Show *Quantity: 1Pc Package Content: 1*Air Pressure Valve 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.