Why Choose AdirPro 710-11 14-Foot Aluminum Grade Rod & AdirPro Bubble Level? The Adirpro 14 foot aluminum grade rod is ideal for leveling with construction laser and optical surveying tools. Graduations are marked in feet and tenths. adipro aluminum grade Rods are made of lightweight and durable aluminum alloy, with easy to read weather and corrosion resistant graduations and red foot markings for maximum visibility. The grade rod also features a special measuring scale on the back for overall height reading. a high quality leveling rod, the adirpro is just 1mm thick (+/-0.05) and has four adjustable telescopic sections, allowing you to extend it up to 14 feet, and Collapse conveniently to just 51 inches. The AdirPro Bubble Level for Aluminum Builders Grade Rod enhances precision in leveling functions. This snap on rod level is compatible with all brand names Aluminum Builders Grade Rods. It is intended to secure an upright rod position. This level helps users achieve accurate readings and greater efficiency when performing leveling field tasks.