【Premium Nylon 66 Material & High Temperature Resistance】 Crafted from durable black Nylon 66, these connectors withstand temperatures up to 240°C (460°F). They offer superior heat resistance, strength, and corrosion resistance compared to standard materials, ensuring longevity and reliable performance under demanding automotive conditions. 【Comprehensive 3-Type, 12-Size Assortment】 This complete kit includes 122 connectors across three essential types: 5 Straight, 5 Tee, and 2 Reducer sizes. It covers the most popular dimensions to efficiently repair, extend, or customize vacuum lines in complex systems, eliminating the need for multiple separate purchases. 【Tool-Free, Leak-Proof Installation for Secure Fit】 Enjoy hassle-free installation without tools, clamps, or glue. Simply push hoses onto the barbed connectors for a tight, leak-proof seal. The precision design ensures connections stay secure against vibration and pressure, preventing leaks in critical systems like windshield washers. 【Universal Fit for Broad Automotive Applications】 Designed for versatility, this assortment is compatible with most cars, trucks, SUVs, and RVs. Perfect for maintaining or replacing connections in windshield wiper systems, emission controls, and various rubber hose or tubing lines, it serves as an essential toolkit for general repair and DIY projects. 【Organized Storage for Efficiency & Convenience】 All connectors come neatly organized in a compartmentalized storage case with clear size labels. This professional system saves valuable time by keeping parts sorted and instantly accessible, ensuring a tidy workspace and streamlined repair process., Weight: 0.440924524 pounds, Manufacturer: DIOZZHI