90 Degree Right Angle Clamps 4 Set: Package includes: 4x140 mm(5.5") 90 degree positioning squares, 8x nut, 8x adjustable fixed blocks, 8x L-shaped bolt screws. The research shows that this size(140 mm/5.5 inch Squares)set is a very scientific and suitable length size choice. It fit for the wood board thickness up to 90 mm(3.5 inch) Two Measurement Units: This corner clamps for woodworking tools has two measurement units, metric and imperial. It adopt high-precision CNC carving technology for great accuracy and block clamping, and the scale is on the front of the product.The measurement length is accurate and easy to read Easy to Operate: Simply place the 90 degree positioning squares on the material that needs to be flattened, and then fix it with a set of clamps. Square tools have beveled edges that do not damage fragile cutting edges, forming a perfect 90 degree angle. By using 4 sets of square clamps, you can complete perfect woodworking projects at once, improving work efficiency Aluminum Alloy Right Angle Clamp: Crafted from high-quality aluminum alloy and stainless steel clamps, our 90 Degree Positioning Squares ensure accurate angles for your woodworking projects. The surface is red anodized, anti-rust and corrosion-resistant, CNC processing makes it more durable Versatile Applications: Ideal for assembling boxes, drawers, cabinets, frames, and furniture cabinets. These clamping squares, also known as angle clamps, serve as precise rulers with clear graduations. Perfect for squaring up shelf cabinets and maintaining squareness during assembly. Suitable for professional woodworkers and DIY projects, Weight: 3.30693393 pounds, Manufacturer: aleawol