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 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
ACS Diamond Cloth Belt, CX1250 1/2" X 18" 250U
Dynabrade 51301 .5 hp Straight-Line Die Grinder
Dynabrade 14010 Dynafile Abrasive Belt Tool Versatility Kit
Insize 4121-81N, AMERICAN STANDARD THREAD RING GAGE, NO GO, 8-32UNC, 6928640359194
3M 26106, PPS Series 2.0 Adapter, Type S22, 8 mm Male, 0.75 mm Thread, 7100135958
3M 55723, Stikit Film Disc 375L, 6 x NH P1200 w/Skipslit Liner, 7100075241, 250 per case
3M 22333, Cloth Belt 577F, 120 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Full-flex, 7000119441, 200 per case 