ITEM NAME:G1/4 External Thread Fitting for 9.5X12.7mm Soft Tube PC Computer Water Cooling Product Description Description: Water Cooling Fittings G1/4 External Thread for 9.5X12.7mm Soft Tube Computer Water Cooling G1/4 External Fitting Thread Pagoda Soft Tube Connector for 9.5X12.7mm PC Water Cooling System Features: 1. The wrench gap is on the thread, and the whole is compact. 2. Double pagoda is safer than a single one. 3. 2 seal lines can be formed, with a chamfering inner diameter and less resistance. Specifications: Color: Black Material: Brass Surface treatment: nickel plating Screw Thread: G1/4; Outside diameter: approx. 12.9mm/0.5'' Seal: With silicone sealing ring Outside diameter: approx. 18mm/0.7'' Overall height: approx. 18mm/0.7'' Screw height: approx.5mm/0.19'' Application of inner diameter 9.5mm/ 0.35'' Outer diameter 12.7mm/0.5'' Inner diameter 8mm/ 0.31'' Outer diameter 12mm/0.47'' Weight: approx. 20g Note: Please allow 1-3cm differs due to manual measurement. Due to the different display and different light, the picture may not show the actual color of the item. Thanks for your understanding. Included: 1 x Connector.The wrench gap is on the thread, and the whole is compact. 12.9mm/0.5". Due to the different display and different light, the picture may not show the actual color of the item. 18mm/0.7". If item is defective after 3 months, you can still send it back to us.