About this item Aluminum Alloy ㈉GH-QUALITY METERIAL㠍ade of high-quality aluminum alloy and stainless steel clamp, design with scale, anti-rust, anti-corrosion, durable for long-term service. Size: 5.5" x 5.5", the clamps fit for the wood board thickness from 7/16" to 1- 9/16", and 90-degree angle can offer strong balance for convenient use 㗉DE APPLICATION㠔hese right-angle clamps are professionally used to assemble and DIY by clapping boxes, drawers, cabinets, frames. Perfect for squaring up shelf cabinets 㐒OFFESSIONAL TOOLS㠔he woodworking tool shows that this size set is a scientific and suitable length size choice. It can work with a clamping tool to check and position the corner for wood board jointing to gluing up or welding at a right angle ㅁSY TO HANDLE㔨e clamps won't damage fragile cutting edges. Just place the square in the corner of the two stock pieces you need to square and secure with a set of clamps. This set of squares and clamps can make your operation more convenient. The set squares and clamps are fully adapted to various large and small DIY projects 㒅FUND & WARRANTY㠉f you are not satisfied, we'll give you a 100% refund within 45 days of purchase. 1-years warranty, quality problems, only change, no maintenance. Please feel free to contact us if you need