Features: Made of fine quality material, practical, easy to operate and use, wide application range, has a long service life. 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: Material: ABS+PE Color: orange+black Type: 1pc/2pcs/ 4pcs (optional) Clamping range: 5-22mm, 10-22mm Total length: 78mm / 3.1in Maximum width: 85mm / 3.3in Maximum height: 51mm / 2.0in Package list: (optional) 1pc/2pcs or 4pcs Right Angle Clamp