This phanteks hard tube rotary fitting serves as a 45 degree connector between a 12 mm acrylic tube with 12 mm od and water cooling components with a g14quot screw thread the fitting is made from brass and the ring cap is made from aluminium equipped with premium rubber seals the adapter is extremely secure and offers a tight connection the black finish also looks fantastic and is sure to leave a lasting impression among onlookers design high quality surface finish gives your loop a distinct l