€¢ Straight on chuck with 12 in hose €¢ Heavy duty gauge €¢ Brass indicator bar is calibrated to 10-90 PSI in 2 PSI increments €¢ 1/4 in NPT €¢ Brass internal parts €¢ Includes: (2) FNPT couplers; (2) MNPT couplers; (4) FNPT plugs; (6) MNPT plugs >> Colorconnex„¢ 14-piece coupler and plug kit (A73458D) by legacy manufacturing®. D. Connection size: 1/4 in NPT. Body size: 1/4 in. Color: red. Packaging type: retail. Colorconnex„¢ is a patented system that uses color matching of couplers and plugs among the standard pneumatic interchanges. By using colorconnex to dedicate line use; you can ensure you never use a lubricated line for a dry line application; preventing cross contamination."