The X-tra Seal 1/4" NPT Female C Automotive Style Brass Coupler is the perfect solution for minimizing air leaks and ensuring your air tools work at their best. This coupler is made of durable steel and features a blue automotive coupler style. It has a maximum operating range of 250 psi. With this coupler, you can be sure that your air tools will work at their peak performance. FleetPride is your First Click in Heavy Duty®.