Resolution: .0005″/0.01mm.
Measure groove diameter.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143, for calipers with c=.630″), data output cable

Insize 2103-50E, DIGITAL INDICATOR (advanced model), 2"/50.8mm, lug back, 6928640329432
3M 64808, Scotch-Brite EXL Unitized Mounted Point, W185 x 1/8 in 8S FIN, 3M 7010310009 