Features: Aluminum alloy material and anodized treatment, high hardness, rustproof, non-corrosive, permanent use. 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. Designed to be clamped to boxes, picture frames, shelf cabinets and for outside corners.etc, to assist with squaring during glue up. 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. Easy to carry, easy to operate and will not damage the edges. Suitable for wood, right angle of metal and 90 degree welding, etc. Specifications: Material: Aluminum Alloy Size: 12x12cm/4.72x4.72in Shape: L Shape Note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Clamping Square