3M 14593, Scotch-Brite Cut and Polish Disc, 3" x 1-1/4" x 1/4" A Medium, D5, 7000045941, Box of 10 
3M 35083, EMI Copper Foil Shielding Tape 1181, 1/4 in x 18 yd (6,35 mm x 16,5 m), 7000132168 
Insize 3101-250E, DIGITAL OUTSIDE MICROMETER, IP65, 9-10″/225-250mm, 6928640326875
$518.15
Resolution: .00005″/0.001mm.
Button function: on/off, set, inch/mm, ABS/INC
IP65 dust/waterproof.
Data output. LR44 battery. Automatic power off.
Carbide measuring faces. Ratchet stop.
Supplied with spherical anvil.
Setting standards are included (except 0-1″/0-25mm).
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