Meet the Benson Corner Clamp – 90 Degrees – 5 to 22 mm – 4-piece! This corner clamp is the perfect mounting aid for easily and quickly attaching panels and planks at a 90-degree angle. Whether you want to screw or glue, this corner clamp is an indispensable tool for every DIY enthusiast and professional. Also extremely suitable for connecting slats for corner and T-connections and mounting small cabinets.