Milescraft 8 in. Clamp Squares are the solution when you need to square up corners in your woodworking assembly and gluing applications. These ClampSquares are durable and lightweight, making them easy to use. Unlike metal squares, these clamp squares will not mar your workpieces. Achieving 90° angles is essential in woodworking, which makes these the accessory. ClampSquares can be used on both inside and outside edges. The 8” squares are i for project construction, from assembling boxes to building shelving.