This 90° clamp is for corner and T-butt joints and is suitable for boards 10-22mm thick. Boards of differing thickness can also be clamped together. Strong nylon plastic construction with sliding clamp section. The spring mechanism automatically adapts to the board thickness. There is a soft, non-slip contact surface, for fastening the workpiece firmly in place without making pressure marks. Features & Benefits:For corner and T-butt joints, suitable for boards 10-22mm thick. Boards of differing thickness can also be clamped togetherFor fastening and clamping shelves, picture frames and pieces of furnitureStrong nylon plastic construction with sliding clamp sectionSpring mechanism to automatically adapt to board thicknessSoft, non-slip contact surface, for fastening the workpiece firmly in place without pressure marksPerfect for one-handed useContents:1 x Corner Clamps (Pack of 2)