Material: Alloy steel Scope of application: 7-19 mm Color: Silver Quantity: 1 piece Package content: 1 x Wrench tool socket, 1 x Post 1. Adjustable function: The wrench adapter is compatible with drill bits and ratchet wrenches, and can quickly grip most metric wing nuts, broken nuts, insulating nuts, eye bolts, square nuts, hex nuts, and various irregular shapes. 2. High-quality material: This universal joint is constructed from alloy steel, offering reliable and durable performance for efficient and convenient use. 3. Wide range of applications: Featuring a unique design, this universal sleeve automatically adapts to different sizes and shapes. Durable, compact, and portable, it is ideal for automotive work, home maintenance, manufacturing, construction, and DIY projects. 4. Meets diverse needs: The universal socket wrench fits a variety of shapes and sizes, including nuts from 7 mm to 19 mm, providing versatile functionality. 5. Ideal gift choice: A practical and unique tool gift for men, boyfriends, husbands, fathers, or DIY enthusiasts.