Straight push-in air line fitting - 5 mm. or 6 mm. x 1/8" Global thread
Nickel Plated brass
Select 5 mm. for older style ARB air line
Select 6 mm. for newer style ARB air line
1/8" Global thread fits all 1/8" thread styles (NPT, BSPT, RC, NPTF, BSPP, G)