Discover the ultimate 10-Piece Extra-Long Hex Key Set designed for precision and durability. This comprehensive set includes sizes ranging from 3mm to 17mm, with lengths varying from 130mm to 335mm, making it ideal for both industrial and agricultural applications. Crafted from hardened and tempered high-grade steel and finished with a sleek blackened coating, these jumbo keys are built to withstand heavy use and provide reliable performance. Key Features: - High-quality material: Made from hardened and tempered high-grade steel for enhanced durability and strength. - Versatile sizes: Includes hex keys in sizes 3, 4, 5, 5.5, 7, 8, 10, 12, 14, and 17mm to accommodate various tasks. - Convenient storage: Comes with a handy storage pouch to keep your tools organized and easily accessible. - Lifetime guarantee: Enjoy peace of mind with our lifetime guarantee on this product. Specifications: - Contents: Hex keys in sizes 3, 4, 5, 5.5, 7, 8, 10, 12, 14, 17mm. - Length: 130mm to 335mm. - Net Weight: 2.16kg. Our online store offers an extensive range of tools and workshop equipment tailored for both DIY enthusiasts and professionals, with over 10,000 products available. If you're having trouble finding a specific tool, don't hesitate to reach out to our customer support team—we're here to help you find exactly what you need!