
The United Scientific® Vernier Caliper, Plastic by United Scientific is a polypropylene vernier caliper with a dual scale range of 6 inches or 150 mm. It is graduated in 1/128 inch and 0.05 mm increments, giving students fine readings from a light, low-cost tool. Science teachers use it for class sets in physics and general science, where students practise vernier reading and measure small objects.