Designed to attach to boxes, frames, shelves and exterior corners, etc., to support squares when gluing. Instructions: To place a square in the corner of two components, you must secure the square and with a set of hooks. Compatible: for wood/metal right angle/90 degree weldable/welding. Material: Aluminum alloy (6061-T6) CNC machined from solid aluminum block, durable to use. Corrosion resistant anodized red finish. Produktbeschreibung Designed to hold joints tight and square at precise 90 degrees You can use each square to check a chisel. Suitable for wood welding, right angle metal welding and more. Can be attached to boxes, frames, shelves and for exterior corners etc. To facilitate alignment when gluing. Perfect for displaying shelves. Get a perfect square while mounting frames, cabinets or just as good as any box. Use it for part of a stencil on a table saw. Specification: Name: 90 degree positioning squares 4.7 x 4.7 inch Angle: 90 degree Shape: L shape Color: red Pack of 2 < br/> Length 120 mm Width 120 mm Thickness 16 mm Compatible: suitable for wood/metal, right angle, 90 degree soldering/welding. Application: Place a square in the corner of two parts you need to hold square and secure it with a set of brackets.