Wide Application: Carpentry right angle jig set professional use to assemble and DIY by claping boxes, drawers, cabinets, frames, furniture cabinets, etc. Perfect for squaring up shelf cabinets. Maintain a perfect square while assembling frames, cabinets, or just about any box! Some woodworkers even find it useful to incorporate them into their jigs and fixtures. Satisfaction, high-utility, efficiency-squared. Professional Design and Easy to Use: Designed to be clamped to boxes, picture frames, shelf cabinets and for outside corners.etc, to assist with squaring during glue up. Place a square in the corner of the two stock pieces you need to square and secure with a set of clamps. Available in 12cm/4.7", and comes in pack of two. Perfect 90 Corners: It'll be a breeze to create the precision 90 Degree Right Angle woodwork, so essential in ensuring balanced project outcomes. Quickly and Easily Clamp on the Squares. Fit for Wood / Metal Right Angle / 90 Degree Weld / Welding. Beveled edges, easy to handle and won't damage fragile cutting edges. Size: 12 x 12 x 1.6 cm/4.7 x 4.7 x 0.6 inch. Practical Positioning Squares: Durable, clear scale, high hardness, not easy to rust, easy to fix, suitable for more workpieces. Easy to carry, easy to operate and will not damage the edges. Suitable for wood, right angle of metal and 90 degree welding, etc. High Quality Material: Aluminum Alloy(6061-T6). CNC Machined from a solid block of aluminum. Will lasts for years. Surface Treatment Anodized red surface, resistant to corrosion.