More options: 140mm x 140mm, to meet all your needs, you will receive 2/4 right angle clamps and 4/8 clamps. 100% High Quality: Aluminum alloy aluminum (6061-T6). CNC is made of sturdy and durable aluminum blocks and can be used for several years. Surface treatment: Red anodized surface, durable and corrosion-resistant. Easy to use: beveled edges. Easy to operate, without damaging fragile blades. Place the square on the corners of the two raw materials that need to be flattened and fix it with pliers. A perfect 90 degree angle: the inside and outside form a 90 degree right angle. Creating a 90 degree right angle carpenter will be an easy task, which is crucial for ensuring a balanced project outcome. There are various holes for fixing, ensuring that your work is more convenient and the blocks can be clamped quickly and easily. Widely used: This right angle woodworking fixture can be used for repairing and assembling furniture, photo frames, cabinets, and boxes. Suitable for shelving cabinets, maintaining a perfect square shape when assembling frames, cabinets, or any box.