Clamping Squares is the ideal solution when you need to square up perfect corners in your woodworking gluing and assembling applications. Featuring a high-impact metal construction that ensures optimal durability and lightweight usability. Unlike foamed plastic squares, these handy accessories won't mar your valuable work materials. It'll be a breeze to create the precision 90-degree angled woodwork, so essential in ensuring balanced project outcomes. Quickly and easily clamp on the squares and you're set to go. Both the inside and outside edges of these multi-tasking squares can serve as exacting measuring guides. clamp squares 90-degree corner Clamp, positioning/assembly squares can be used on both inside and outside edges, squares are ideal for project construction, from assembling boxes to building shelving.