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 52402 2" (51 mm) Dia. 7 Degree Offset Disc Sander, Front Exhaust, .5 HP, 20,000 RPM, 1/4"-20 Thread
Insize 7231, SCRIBER, 6928640320071
Dynabrade X62H 6" (152 mm) Dia. Non-Vacuum Dynorbital Extreme Random Orbital Sander, .3 HP, 12,000 RPM, 3/32" Orbit, Hook-Face
Dynabrade 22070 Downdraft Table Accessory Pack (Air Manifold, FRL and On/Off Air Valve)
3M 30688, Cloth Belt 577F, 120 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000119460, 200 per case
3M 19076, Cloth Belt 577F, 80 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119452, 200 per case 