Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life.Features:Fast and simple fixing of boards and frames at an angle of 90 degrees.Mounting aid device for screwing or gluing the boards together.For corner and T-joints, even with different board thickness.Suitable for woodworking, cabinet and furniture repairing connections, photo frame reinforcement, wooden DIY projects, etc.Specifications:Color: orange+blackType: 1pcs, 4pcs (optional)Clamping range: 5-22mm, 10-22mmTotal length: 78mm / 3.1inMaximum width: 85mm / 3.3inMaximum height: 51mm / 2.0inPackage size: 200 * 180 * 60mm / 7.9 * 7.1 * 2.4inPackage weight:1pcs: 62g / 2.2ounce4pcs: 323g / 1 1.4ouncePackage list: (optional)1 * Right Angle Clampor4 * Right Angle Clamp