Truck drivers, movers, and construction folks – this tool is a lifesaver for preventing those expensive 'can I fit under this?' mistakes. It's a telescoping height stick that extends from about 6 feet all the way out to a full 15 feet. It's made from lightweight but super strong fiberglass, which is also non-conductive (safer around electricity). The horizontal arm locks at a perfect 90-degree angle, and the shaft has clear orange markings in both inches and centimeters. You just extend it to touch the top of your truck's load (or the trailer roof), then lower it to see exactly how tall you are. The bottom has rubber feet to prevent slipping. When you're done, it collapses down to around 52 inches and comes with a handy carrying bag for storage in your truck. Essential for anyone hauling tall loads, checking bridge clearances, or doing site measurements. A simple tool that saves huge headaches and damage.