The water cooling system fittings are very convenient and practical, with good texture, can serve you for a long time without being easily . 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: 10 Cooling Compression Fittings