This computer water cooling coupler is made of , which can withstand use. Features the brass material, which has high durability, not easy to deform. Fine workmanship, ensures practicality. Features -Color: Black -Material: brass -Size: 1.98X1.76X1.76cm/0.78X0.69X0.69in - It is made of premium brass, has good thermal conductivity, is thick and durable, is and has a . - With silicone sealing ring, embedded O-ring design, and reliable, good sealing performance, simple and convenient installation. - 360 degree swivel joint allows connection with G1/4 threaded connector to expand the possibilities of water cooling system piping. - The extension fitting is suitable for PC water cooling applications. - It is manufactured with professional technology to ensure the product can work for a long time. Package list: 3 -cooled couplers