Precision Fit 6-pack of G1/4' male-to-female extender fittings (20mm height, 18mm OD) for seamless compatibility with standard PC liquid cooling systems. Durable Brass Construction Made from chrome-plated brass for superior heat dissipation, corrosion resistance, and long-lasting performance. Leak-Proof Design Concealed O-ring groove ensures a tight, secure seal to prevent coolant leaks in your custom water cooling loop. Premium Aesthetic Polished finish available in Black, Silver, and White blends effortlessly with any gaming PC build. Easy Installation Tool-free design makes setup and loop adjustments quick, simple, and hassle-free, even in tight configurations.