Resolution: .0005″/0.01mm.
Measure groove diameter.
Buttons: on/off, set, inch/mm, preset (+, -).
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143), data output cable

Dynabrade 53105 Central Vacuum Drill, 950 RPM, 3/8" Chuck
Dynabrade 01480 Vane Set (4pk)
Dynabrade 01629 Housing Stamped for Model 52216
Standard Abrasives 873235, S/C Unitized Wheel, 732, 3 in x 1/4 in x 1/4 in, 7000047054
Dynabrade 11004 Dynafile Screw-In Housing
Dynabrade 59044 6" Dia. Central Vacuum Dynorbital-Spirit Random Orbital Sander, 3/32" Orbit
3M 98878, General Use Flatback Tape 2515, Tan, 96 mm x 55 m, 8 Roll/Case, 7100048099
Dynabrade 18570 Vane Set (4pk) 