Resolution: .0005″/0.01mm.
Buttons: on/off, zero, inch/mm, ABS/INC, data hold, TOL, set.
ABS/INC is for absolute and incremental measurement.
TOL is for tolerance measurement.
Carbide tipped scriber.
Made of stainless steel (except the base).
LR44 battery. Data output.

Dynabrade 90071 - 3-3/4" (95 mm) Dia. Polishing Pad, Foam, Waffle
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 