3M 29821, Sanding Screen, 150 Grit, 20 in x NH, 7100160254 
Norton 66261014936 3" DIA X 1/8" Thick, Bear-Tex NEX Rapid Blend Quick-Change Type III Non-Woven Unified Wheel, 40 Each 
Insize 1187-150AWL, DIGITAL OUTSIDE NECK CALIPER, 0-6″/0-150mm, built-in wireless, 6940561942507
$247.81
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″
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