The 1800s Surgical Dental Vet 4 inch SLIDE CALIPER by J. Reynders Co. is a historical artifact crafted from stainless steel, measuring a mere 4 inches in length. This manual caliper, with a metric system of measurement, hails from the United States, reflecting the craftsmanship of John Reynders. Perfect for collectors or those with a passion for vintage tools, this slide caliper embodies a bygone era of precision measuring technology in the realm of both surgical and dental applications. Its antique charm adds a touch of nostalgia to any workshop or tool collection.