Products Parameters 90 degree snake 2-way rotary adapter(Male to Female) Dental regulations: G1/4 (common international regulatory teeth) Made of high-quality H59 Brass, with double protection of surface electroplating process as well as fine texture, solid and durable. One end internal thread, one end external thread Hidden O-ring design. Suitable for changing the connection direction and achieving 360 degree rotation of the water cooling system when connecting the water cooling system. True Hi-Flow Design. Each section of the rotating unit can rotate 360 degrees, multi angle adjustment for complex water cooling use. Compact and Unique Design For Tube Replacement Application. Easy to install Available colors: black / silver / white / gold The appearance of fine for cooling system design. Note: In case of product appearance and structure upgrade, we are subject to change without prior notice. If there is any issue, pls free feel to contact us at any time.