The shank is electrically conducted to the metal workpiece through the chuck and table,
the LED lights up and the beeper sounds(only for 6566-3E),
when the ball touches the workpiece
Not suitable for rotary use. Hardened shank and contact ball
Hardened shank and contact ball

3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
ACS Diamond Cloth Belt, CX1250 5/8" X 120" 125U
3M 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101
3M 11137, Roloc Disc 361F, 50 YF-weight, TR, 1-1/2 in, Die R150S, 7000045094
3M 01328, PSA Cloth Disc 348D, P180 X-weight, 3 in x NH, Die 300V, 7000045068
Insize 2771-360, DIGITAL PROTRACTOR (BASIC TYPE), 0 - 360?, 1'/0.01?, 6940561979589
3M 26200, PPS Series 2.0 Lid, Standard/Large, 200 Micron Filter, 7100135626
Standard Abrasives 710725, A/O Full Taper Cartridge Roll, 1/2 in x 1-1/2 in x 1/8 in 36, 7100085875
3M 03601, Plastic Emblem and Trim Adhesive, 1 oz, 7100045880, 24 per case
3M 84302, Cloth Belt 777F, 36 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000118387, 200 per case 