Insize 1140-50, MINI DIGITAL DEPTH GAGES WITH ROUND BAR, 0-2″/0-50mm, 6928640387623

Resolution .0005″/0.01mm
Measure depth of small groove and hole.
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: data output cable