This solid 8" brass ruler is streamlined for fast, accurate measuring—specifically designed for working with a pair of feet or one side of a horse. The double-sided markings feature L/H on one side and R/H on the other. L and R refer to left or right, while H stands for hinds—so you can easily mark which pair you're working on with a quick circle from a marker. Durable and easy to clean, it’s a compact and dependable tool for precise work.