Straight Tire Valve, Product Type Straight Valve, Mounting Type Clamp-In, Valve Stem Angle 180 Degrees , Valve Shape Straight, Valve Size Large Bore, Thread Size 1/2 in NPT, Compatible Vehicle Type Tractors, Minimum Operating Air Pressure 0 psi, Maximum Operating Air Pressure 200 psi, Color Brass, Overall Length 1 1/2 in, Overall Diameter 1/2 in, Material Brass, Includes Core, Hex Cap, Maximum Rim Hole Size 0.813 in