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 78424 4-1/2" Dia. x 3/8" Medium DynaBrite Surface Conditioning Disc, 25/pack
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
Dynabrade 53270 7" (180 mm) Dia. Right-Angle Disc Sander
3M 19076, Cloth Belt 577F, 80 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119452, 200 per case 
