Adjustable angle: suitable for wooden boards with a thickness of 5-22mm, used for 60/90/120 degree angles and T-joints, even for joining two boards with different thicknesses.Easy to use: one hand can use the 4 corner clamps, one hand can be opened, and the other hand can freely choose and place the piece, which is conducive to quickly and simply fixing the board workmanship and the frame.Efficient Operation: The multi-angle fixing clip can help you quickly and easily fix the board and frame to the woodworking clamp, which will allow you to 39;save working time and reduce workload.Wide application: widely used for woodworking, welding, drilling, cabinet making, boxes squares, furniture repair connection, assembled wooden boxes, DIY wooden projects, photo frame reinforcement, etc.C Contents: 4 right angle clamps with 4 angles of 60 degrees, 4 angles of 90 degrees, 4 angles of 120 degrees. One set meets daily woodworking needs.