Set of 4 Corner Clamps: This project set includes four ES 22 corner clamps, giving you everything needed to secure all corners simultaneously for shelves, frames, and furniture builds Perfect 90-Degree Angles Every Time: Automatic spring adjustment holds boards firmly at a right angle, letting you drill and screw both boards in one step without a second pair of hands Soft, Non-Slip Clamping Surfaces: Protective grip zones hold your workpiece securely in place without leaving pressure marks or dents, keeping your timber and boards looking their best Adjustable for Different Board Thicknesses: The automatic spring mechanism accommodates boards from 10 mm to 22 mm thick, making these right angle clamps versatile across a wide range of woodworking projects Made in Europe Quality: Engineered to professional standards, these woodworking corner clamps are built to last and can be mounted and released with one hand for fast, frustration-free assembly