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.

3M 16358, Qualitative Fit Test Apparatus FT-10, Sweet, 7000001898
3M 26022, PPS Series 2.0 Adapter, Type S12, 10 mm Male, 1.0 mm Thread, 7100135943 