Extened Rod: The extended rod design of our woodworking clamps can meet the operating range requirements of different thicknesses. You can use it in more scenarios, increasing the frequency of use. Simple and Easy to Use: With a clear and detailed user manual, our F clamps allow for effortless operation throughout the process, making the processing efficient and time-saving. 600lbs Load Limit: These wood clamps for woodworking can easily handle various daily processing and assembly tasks, securely fixing to cut, join, and install wood, wood products (such as tables, chairs, cabinets), and steel materials. 36-inch Large Jaw Opening: Our bar clamps for woodworking are perfect for most standard-sized woods. The 36-inch length provides users with more adjustment space during operation, resulting in precise positioning of the workpiece. High-quality Materials: The jaws of our bar clamps is made of cast iron, sturdy and not easy to deform. The slide bar is constructed from 45# carbon structural steel, ensuring long-lasting and crack-resistant performance.