3M 54109, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 1-1/2 in x NH A MED, 7100075533, 200 per case 
3M 97421, Aluminum Foil Tape 3380, Silver, 72 mm x 45 m, 3.25 mil, 7010375681 
Insize 1176-200WL, DIGITAL INSIDE GROOVE CALIPER, upper jaw .35-8″/9-200mm, lower jaw .70-8″/17-200mm, 6940561953824
$434.97
Resolution: .0005″/0.01mm.
Measure diameter of grooves inside bores.
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
