Wolfcraft Project Set for Right-Angle Clamping 4x ES 22 Corner Clamp, 10-22 mm With the corner clamps, you are optimally equipped to fasten and clamp shelves, picture frames and pieces of furniture. The set includes 2 corner clamps for boards with a thickness of 10-22 mm and can be mounted and released with only one hand. Thanks to the spring mechanism, they automatically adapt to the board thickness. It is also possible to clamp together boards with different thicknesses. The clamping surfaces have a soft, non-slip contact surface that fastens the workpiece firmly in place without making pressure marks. 2 practical mounting aids for screwing or glueing boards together at a 90° angle. Features: For quick and easy fixing of boards and frames at a 90° angle, for example when assembling shelves, small cupboards or frames Mounting aid for screwing or glueing boards together For corner and T-butt joints, even with different board thicknesses One-hand operation - keeps the second hand free