This PC cooling system fitting is made from brass material, which can withstand lasting use. Features the workmanship and thread design, which has high durability, not easy to deform. It can be installed very firmly, will not fall easily, you can use with peace of mind. 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. - Chrome-plating surface treatment, this PC cooling system fitting is practical and professional for long time using. - With silicone sealing ring, less likely to leak, protects computer components very well. - Made from premium and sturdy brass material, resistant against wear, for you to worry-free. - Suitable for computer water cooling system connection and extension, offer good working performance. - It has very clear thread, which is easy for you to screw on and off, saving time and effort. Package list: 2 Cooling Compression Fittings