Vevor Bar Clamps For Woodworking, 2-Pack 12" One-Handed Clamp/Spreader, High-quality Materials: The handle of our bar clamps is made of PA6+GF30% high-strength plastic, stronger and more durable than ABS. The slide bar is constructed from 45# carbon structural steel, ensuring long-lasting and crack-resistant performance. 12-inch Large Jaw Opening: Our bar clamps for woodworking are perfect for most standard-sized woods. The 12-inch length provides users with more adjustment space during operation, resulting in precise positioning of the workpiece. 300lbs 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. Simple and Easy to Use: With automatic lock and quick-release lever, our F clamps allow for single-handed operation throughout the process, making the processing efficient and time-saving. Clamping/Spreader Quick Converting: Our woodworking clamps can also be used as a spreader. You can quickly change the clamp to a spreader with the button. From precision clamping to solid reverse support, this versatile clamp has got you covered in any situation.