Folding Ruler Marking Ruler Aluminum Alloy Angle Ruler FEATURES: Collapsible ruler bar - 6-inch fold-out extension arm for 6 inch or 12 inch layout needs, increase measuring distance after opening, reduce storage space after folding.convenient to carry. Material - Made of solid aluminum alloy construction for durability,durable, not easy to break,ideal for all building and remodeling projects. positioning tool - when in use, it can adjust to the required angel, tighten the nut positioning, press the middle lever to achieve precise positioning. Stainless steel needle drawing tool - the tail is screwed and fixed on the ruler body easy to carry.easy to open, no folding,no shaking off, durable. Portable: Lightweight and easy to store in your work pouch or pocket. SPECIFICATIONS Material: aluminum alloy Color:black + orange size(approx): see picture Package: 1 * Aluminum Alloy Ruler