The X-tra Seal 1/4" D Type Air Tool Coupler Set is the perfect solution for preventing air leaks and ensuring that your air tools operate as efficiently as possible. This industrial style coupler is made of durable steel. The bright yellow color makes it easy to spot and identify in any work environment. This coupler set the perfect choice for any professional or DIYer looking for a reliable, long-lasting air tool coupler. FleetPride is your First Click in Heavy Duty®.