Enhance your custom water cooling system with these high-quality Barb Fittings, designed for secure and efficient connections between water blocks, radiators, water pumps, reservoirs, and other cooling components. Crafted from durable stainless steel with a sleek chromium-plated surface, these fittings offer excellent corrosion resistance, a lightweight feel, and an elegant silver finish. Their compact and flexible design allows for easy installation and removal, making maintenance hassle-free. Key Features: · Durable Stainless Steel Construction: Ensures long-lasting performance and resistance to wear and corrosion, ideal for water cooling systems. · Chromium-Plated Surface: Provides a light, delicate finish that enhances both appearance and durability. · Optimal Seal with Hidden Silicone Ring: Integrated silicone ring guarantees a tight, leak-proof connection for reliable system performance. · Chamfered Inner Angle Design: Reduces fluid resistance, improving flow efficiency within your cooling loop. · Versatile Size Options: Available in 5.5mm, 7.5mm, 9.2mm, and 11mm diameters to fit a variety of hose inner diameters, ensuring compatibility with multiple tubing sizes. · Easy Installation: Compact and flexible fittings screw on and off effortlessly, simplifying setup and maintenance of your water cooling system. Specifications: · Material: Stainless Steel + Plastic · Color: Silver · Surface Treatment: Chromium Plating · Size Options:  - 5.5mm Diameter (for 5-5.5mm inner diameter hose)  - 7.5mm Diameter (for 5-6.5mm inner diameter hose)  - 9.2mm Diameter (for 7-8mm inner diameter hose)  - 11mm Diameter (for 9.5-10mm inner diameter hose) · Package Weight: 60g Package Includes: · 6 x Barb Fittings These Barb Fittings provide a reliable and efficient solution for building or upgrading your water cooling system, combining durability, leak resistance, and ease of use to ensure optimal cooling performance. Please note that the product may be shipped with either the new or old type fitting randomly.