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

Air Turbine Tools 2545SSVF - 6mm Angle Hand Tool Series (Short Version, Front Exhaust), 40,000 RPM, 35549
Insize 7360-1M, ZEROING FOOT SWITCH, for digital indicators with micro USB interface, 6940561952483
Dynabrade 95886 Washers For Vacuum Shroud (57737)
Dynabrade 90370 3/4" W x 34" L 120 Grit A/O DynaCut Belt, 50/pack
Dynabrade 94467 DynaJet In-Line Blow Gun
Dynabrade 92114 1/2" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack
3M 69373, Trizact Cloth Belt 237AA, A160 X-weight, 3/4 in x 18 in, Film-lok, Full-flex, 7010309432, 200 per case 