Designed to be attached to boxes, picture frames, shelves and outer corners etc. to support the angle when gluing. Usage: Place an angle in the corner of the two components, you need to fix the angle and a set of fasteners. Compatible: Wood/Metal Right Angle/90 Degree Solderable/Weldable. Material: Aluminum alloy (6061-T6) CNC machined from a solid aluminum block for durability. Anodized red finish is corrosion resistant. Beveled edges, easy to handle, delicate cut edges do not hurt. Designed to keep the joint tight and perpendicular at exactly 90 degrees. You can use each angle to check the chisel. Suitable for wood welding, right-angle metal welding etc. Can be attached to boxes, picture frames, shelves and used for outer corners etc. Helps with alignment when gluing. Perfect for display shelves. Get the perfect angle when installing frames, cabinets or just as good as any box. Use it as part of the template on the table saw. Size: length 120mm/140mm/160mm width 120mm/140mm/160mm thickness 16mm Compatible: Suitable for wood/metal, right angle, 90 degree weld/solder. Usage: Place an angle in the corners of the two parts you need to keep perpendicular and secure with a set of fasteners.