Resolution: .0005″/0.01mm.
Measure hole center distance in the same or offset planes.
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.

Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
Dynabrade 77763 4-1/2" Dia. x 7/8" Center Hole, 60 Grit, Type 27, Ceramic DynaCut Flap Disc, 10/pack
Dynabrade 95746 3/8" NPT Speed Regulator
Standard Abrasives 726015, A/O R6 Straight Precision Cartridge Roll, 3/8 in x 1-3/4 in x 1/4 in 120, 7100098770
Dynabrade 97571 1/2" NPT Male Safety Coupler
Dynabrade 94993 1/4" Male Composite-Style Coupler with 1/4" Female Plug Assembly
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male
Standard Abrasives 531202, Quick Change Aluminum Oxide Resin Fiber Disc, 24, TN, Brown, 7 in, Die TN700BB, 7010369490, 25/case
Dynabrade 94991 1/4" Female Composite-Style Coupler with 1/4" Female Plug Assembly
3M 87185, Cubitron II Roloc Durable Edge Disc 947A, 87185, TR, Maroon, 3 in, Die R300V, 7010327554, 5 per case
3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 