Features: Durable right angle aluminum alloy clamp as extra hand when you're trying to glue pieces at right angles. This double handle 90 degrees right angle clamp can be used in making cabinets or box-frames.  The body part is made of aluminum alloy die-casting construction, more durable and stronger but lighter to hold in hand. Ergonomic design with double handles for comfort and easy adjustments, anti-skid soft handle can decrease fatigue for long time work. Used it for aligning many sorts of work, frame, case, cabinets, fences, shelving, fixtures, tool-box and other woodworking crafts. Specification: Material: Aluminum alloy Weight: Approx.1288g/ 45.4oz Open width: Approx. 52cm/20.5in (Jaws open), 43cm/16.9in (Jaws closed) Package List: 1 * Right Angle Clamp Note: Please allow slight error due to manual measurement. Thanks for your understanding.