Resolution 0.01mm/.0005″
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.
Made of stainless steel
LR44 battery, data output
Supplied with gage block for zero setting

Dynabrade 53533 Cone or Plug Grinder (Triple Extension) 
