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), data output cable

3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
3M 20276, Neoprene Contact Adhesive 10, Light Yellow, 5 Gallon Pour Spout Drum (Pail), 7000121218 
