20" Aluminum Scale with level features a large center handle and dual vials allowing you to quickly make straight horizontal or vertical lines. Aluminum construction makes it durable and rust free. Makes marking a straight horizontal or vertical line a snap. Features: Durable Aluminum Construction Vertical and Horizontal Vials Dimensions 20" x 2 1/2" x 2 1/2" Graduated Inches and Centimeters Center Handle Hanging hole for easy storage