90 Degree Right Angles Positioning Square Clamp - Durable metal construction provides lasting rigidity and precise right-angle alignment for woodworking projects. - Precisely machined graduated scales in inches and millimeters offer clear readability and minimize measurement error. - Multiple hole fixing options allow secure mounting at different lengths, enabling repeatable and adjustable setups. - A practical and essential addition to any woodworking toolkit for both amateurs and professionals seeking higher accuracy and craftsmanship. Use scenarios - Align and square cabinet frames, picture frames, or shelves during assembly to ensure true 90-degree corners. - Set up accurate miter cuts and butt joints, or guide drilling and routing with a stable reference surface. - Verify square corners and maintain alignment when installing hardware or fixtures on furniture or cabinetry.