Aluminum alloy It is made of solid aluminum block by CNC machining Can be used for many years The surface is anodic oxidation treatment, red surface, corrosion resistance Easy to operate, will not damage the fragile cutting edge Place a square on the two stock parts that you need to square and fix with a set of clamps Woodworking right-angle fixture sets are professionally used for assembly and DIY, tap boxes, drawers, cabinets, frames, furniture cabinets, etc Very suitable for square shelf cabinets Keep a perfect square when assembling frames, cabinets or any boxesIt can be clamped on boxes, photo frames, shelves, cabinets and external corners, etc , which helps to make squares on the glue It can use the jig tool to check and locate the corners where the boards are connected and glued It can be used for carpentry and welding at right angles Practical tools to make your woodworking projects easier Colour: redMaterial: aluminum alloyPackage Contents:2 x 90 right angle clampsOnly the above package content, other products are not included Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing The measurement allowed error is +/- 1-3cm