Up for sale is a beautiful antique folding caliper rule crafted from tight-grained boxwood and heavy brass hardware. This multi-functional pocket tool features a traditional arch joint hinge and an integrated extendable brass caliper slide. These were indispensable everyday carry items for 19th and early 20th-century carpenters, machinists, and trade craftsmen.

• Materials: Premium boxwood body with heavy brass alignment plates and traditional arch joint.

• Caliper: Integrated brass caliper slide is completely intact and functional (frequently missing on these antique rules).

• Wear: Features a gorgeous, authentic dark patina from years of real-world use. The wood pieces are straight, and the rule closes completely flush.

A wonderful addition to any antique woodworking or tool collection. Please check the high-resolution photos for exact condition.