Features: _x000D_Suitable for connection between water blocks, radiators, water pumps, reservoir and other water cooling system kit. _x000D_Compact and flexible, easy to screw on and off. _x000D_A chamfering angle in the inner side for reducing resistance. _x000D_With hidden silicone ring, perfect for connection and seal. _x000D_Chromium plating on the surface, light and delicate. _x000D__x000D__x000D_Specifications: _x000D_Material: Stainless Steel + Plastic_x000D_Color: Silver _x000D_Surface Treatment: Chromium Plating _x000D_Type: 5.5mm/ 7.5mm/ 9.2mm/ 11mm Diameter (Optional) _x000D_Applicable Tube: _x000D_5.5mm Diameter: for 5-5.5mm inner diameter hose _x000D_7.5mm Diameter: for 5-6.5mm inner diameter hose _x000D_9.2mm Diameter: for7-8mm inner diameter hose _x000D_11mm Diameter: for 9.5-10mm inner diameter hose _x000D_Package Weight: 60g _x000D_ _x000D_Package List: _x000D_6 * Barb Fittings _x000D__x000D__x000D_Note:_x000D_Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. 1Suitable for connection between water blocks, radiators, water pumps, reservoir and other water cooling system kit. 2Compact and flexible, easy to screw on and off. 3A chamfering angle in the inner side for reducing resistance. 4With hidden silicone ring, perfect for connection and seal. 5Chromium plating on the surface, light and delicate.