3M 27551, EMI Copper Foil Shielding Tape 1181, 1/2 in x 18 yd (12.70 mm x 16.5m), 7000132182 
Insize 1123-200AWL, DIGITAL INSIDE KNIFE-EDGE CALIPER, .8-8″/20-200mm, built-in wireless, 6928640378096
$436.70
Resolution: .0005″/0.01mm.
Measure diameter of deep step holes.
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
