Standard Gage 0-6" Range SAE Dial Caliper Measuring Tool ±0.001" Accuracy USA

"When the Dial Hand is Not at Zero: 1. Close the jaws, loosen the dial locking screw and rotate the dial bezel. Durable Construction: The SAE caliper is made of finely polished stainless steel and uses double shock-proof technology for increased durability and high precision.