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 78583 1/4" Dia. x 1-1/2" W x 1/8" Center Hole, 60 Grit, 100/pack
Insize 2307-0255, DIAL INDICATOR, .25", lug back, 6928640329470
Standard Abrasives 708751, PSA A/O Disc, 12 in x NH, 60, 7010370081
Dynabrade 95842 Dynabrade Air Lube 10W/NR, 1 Pint 