Fowler 54-554-730 Xtra-Value Electronic Caliper Gauge, 6 in Length; Internal

Robust housing holds the chrome-finished alloy jaws in place to obtain accurate and reliable internal or external measurements. Easily find the thinnest or widest dimension and freeze the reading in place with the thumb-screw lock nut, and or by pressing Hold on the gauge. With the press of a button, the large LCD converts inches to millimeters—or even fractions. What's Included: one 3 V battery (CR2032). Displays measurements in inches, millimeters, or fractions Spring-loaded travel jaws provide smooth operation and movement Auto off feature maximizes battery life Available for internal or external caliper gauge versions Resolution: 0.01", 0.3 mm, or 1/64