Resolution: .0005″/0.01mm.
Measure internal and external diameter of drum brakes.
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032. Data output.
Made of stainless steel.
Optional accessory: data output cable

3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
Standard Abrasives 710335, A/O Straight Cartridge Roll, 1/4 in x 1 in x 1/8 in 60, 7100080015
ACS-CP Curved Edge Flap Disc, 4-1/2" Dia. X 5/8"-11 Center Thread, 60 Grit
Norton 66623303912 - 2" Dia. XCS Grit Aluminum Oxide Type III, Bear-Tex Non-Woven Quick-Change Disc, 25 Each
Dynabrade 56106 5" Dia. Non-Vacuum Disc Pad, Vinyl-Face 
