The water cooling system fittings are very convenient and practical, with good texture, without being easily damaged. craftsmanship can serve you well without breaking easily. Thread design, can be installed very firmly, not easy to fall. Features -Color:silver, black. -Material:Brass. -Size:2.30X2.00X2.00cm/0.90X0.79X0.79in. -Thread specification: G1/4 inch. -Note:It is suitable for small tubes with inner diameter of 9.5mm and outer diameter of 12.7mm. - G1/4 tube fitting is a professional PC water cooling accessory, has fine workmanship, durable and easy to operate. - Threaded design, ensuring a secure connection and reducing leakage risks, you can use rest assured. - Made of premium brass material and with chrome-plating finish, being very hard, , not fade, anti-rust. - G1/4 thread can be perfectly compatible with almost all kinds of , pumps and radiators. - workmanship, reasonable structure, very professional and practical, can bring you convenience to use, save your time and efforts. Package list: 2 Cooling Compression Fittings