Ideal for measuring inside diameter, outside diameter and depth Stainless steel or carbon fiber models Zero at any point Switch between inches and millimeters NIST traceable Thomas Traceable digital calipers take length/diameter measurements three ways: outside, inside and…

Traceable® Digital Stopwatch ( 8788T52) Precise, Traceable® timing for enzyme tests, viscosity measurements, animal studies, and other timed lab tests. Made for scientists in industrial, educational, hospital, and governmental labs who insist on the finest instrumentation.…