Resolution .0005″/0.01mm
Measure grooves and recesses.
Buttons: on/off, zero, inch/mm.
Automatic power off, move the digital unit to turn on power.
Battery CR2032.
Made of stainless steel.
Optional accessory: depth stop (part no. 6143, for caliper with e=.63″

3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168
3M 15041, Scotch Electrical Shielding Tape 24, 1 in x 15 ft (25 mm x 4,6 m), 7000031348 
