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

Dynabrade 11475 Dynabelter Abrasive Belt Tool, Standard Duty
Insize ISY-700-90015, STAND FOR SLICE PARTS, 6940561980745
3M 22395, Roloc Disc 361F, 60 YF-weight, TR, 3 in, Die R300V, 7000045098
3M 05674, Disc Pad Holder, 914, 4 in x 1/8 in x 3/8 in 5/8-11 Internal, 7000120888
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 26130, PPS Series 2.0 Adapter, Type S35, 16 mm Female, 1.5 mm
Thread Stretched, 7100135926
3M 64926, Scotch-Brite Hand Pad 7447 PRO, PO-HP, A/O Very Fine, 6 in x 9 in, 7100023339, 20/Carton
3M 50258, Roloc Disc 777F, 60 YF-weight, TSM, 3 in, Die RS300VM, 7010325551
3M 04028, Scotch-Brite Hand Pad 7448, HP-HP, SiC Ultra Fine, Gray, 6 in x 9 in, 7100089226, 60/case
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 80486, Cloth Belt 777F, 60 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Full-flex, 7000118443, 200 per case 