Calipers/Compass Cardizem Diltiazem HCl Pharmaceutical Promotional Item

This caliper/compass, a pharmaceutical promotional item from Cardizem Diltiazem HCl is new and unused. It measure 5-3/4” with the black cap on and is made of stainless steel. And comes in a plastic case. The black cap that protects the measuring points is calibrated for 4 cm. The tool is in very good/ unused condition.