PrimoChill is expanding the SX collection so you can match all your fittings no matter the build. This simple knurled stop fitting is powdered coated for a perfect color match and provides a stylish way to cap off those unused ports. Specifications Thread: G 1/4in. Male Material: Coated Brass Included Parts 1x PrimoChill G 1/4in. Knurled Brass Stop Fitting 1x Sealing O-ring Warnings Over tightening is unnecessary and will result in difficult removal.Not responsible for any hardware damage. Use at your own risk. Candy SX finishes can vary in tone based on surfaces. Knurled surfaced appear darker than smooth surfaces!