Designed to clip onto boxes, picture frames, shelves, and outside corners to support the square when gluing. How to use: Place a square in the corner of the two components that need alignment, then secure the square with a set of brackets. Compatible with wood and metal for right-angle or 90-degree joining applications. Material: Aluminum alloy (6061-T6), CNC machined from solid aluminum block for durability. Anodized red finish provides corrosion resistance. Beveled edges allow for easy handling, and smooth cut edges help prevent damage. Helps maintain tight, accurate 90-degree joints during assembly. Each square can be used to check tool alignment, such as chisels. Ideal for woodworking, metalworking, and right-angle welding projects. Can be attached to boxes, picture frames, shelves, and outside corners to assist with alignment during gluing. Great for assembling display shelves. Ensures precise square joints when installing frames, cabinets, or boxes. Can be used as part of a template guide on a table saw. Size options: 120mm x 120mm x 16mm, 140mm x 140mm x 16mm, 160mm x 160mm x 16mm. Application: Position the square in the corner of two parts requiring alignment, then secure it using a set of brackets.