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 91429 1/2" W x 12" L 80 Grit A/O DynaCut Belt, 50/pack
3M 01875, Charge-Collection Solar Tape 3011, 2 mm x 1200 m, 7010312686
Insize 3530-25BE, DIGITAL POINT MICROMETER, 0-1"/0-25mm, type B, 6928640355745
Dynabrade 93646 3" Dia. x 3/8" CH 40/50 Grit Side Spoked Diamond Cut-Off Wheel
3M 95725, Venture Tape Metal Building Facing Tape 1552CW, White, 72 mm x 45.7 m, 7010313505
3M 45555, Cubitron ll Cloth Belt 784F, 60+ YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7100119295, 200 per case 