Resolution .00005″/0.001mm
Buttons: on/off, inch/mm, zero, data preset, change measuring direction, absolute/incremental measurement.
Keep preset data in memory after restart
Battery CR2032, automatic power off(time is adjustable)
Data output
Optional accessory: data output cable.

Insize HDT-B-HRC3, ROCKWELL HARDNESS TEST BLOCK, 6928640383304
Dynabrade 90268 3" W x 10-11/16" L 180 Grit A/O DynaCut Belt, 10/pack 