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

Dynabrade 11330 Contact Arm Ass'y, 7/8" Dia. x 1/8" W, Brass Wheel, with 1/4" W Platen
Dynabrade 52876 Plunger
Dynabrade 11129 3/4" W x 7" L Thin Platen Pad 5-Pkg.
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169 