Features: [Precise 90 degree angle clamps for woodworking] Our clamping square kit is made of high-quality aluminum alloy and stainless steel clamps to ensure 90 degree accuracy. Anodized red surface, rust proof, durable and corrosion resistant. [Easy to Use] Simply place the 90-degree positioning square in the corner of the part and secure it with a set of wooden clips. It is easy to use and the tools have beveled edges that won't damage fragile cutting edges, creating a perfect 90-degree angle. It's as easy as having an extra hand and greatly increases your ability to make true 90-degree angles. [Wide Application] This carpentry right angle jig set is professionally used to assemble boxes, drawers, cabinets, frames, furniture cabinets, etc. At the same time, this clamping square for woodworking has precise graduations and can be used as a ruler. Perfect for squaring up shelf cabinets and keep a square while assembling frames, cabinets, or just about any box. [Professional Woodworking Square Tools] Designed to be clamped on most types of boxes to assist in leveling during the bonding process. It can be used with clamps to check and position the joints of the wood panels, and glue or weld at right angles. The right angle clamp is a very practical tool that can make your woodworking projects easier. Specifications: Material: Aluminum alloy Color: Red Mounting angle: 90 degrees Total Pieces: 28PCS Package included: 4 x Angle clamps 8 x Adjusted fixed blocks 8 x Angle screws 8 x Black plastic nuts