Measures Up To 15", Fits In Standard Vehicle Trunks And Back Seats. Height Measuring Sticks For Loads And Bridges - Measure Your Load BEFORE You Hit The Road!Load height measuring sticks are absolutely critical for any trucker who hauls construction equipment, automobiles, building material, or any oversize or large load. Height gauges will allow you to measure he height of any load on your trailer, and any bridge or obstruction along your route. Always consult your local DOT for the specific oversize load regulations along your intended route.