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 45017, Diamond Grade DG3 Reflective Digital Sheeting 4091UDS,Yellow, 30 in x 50 yd, 1 Roll/Case, 7100282697
Dynabrade 97566 1/4" Safety Coupler, Female
Dynabrade 98272 1/2" NPT Female Plug
Dynabrade 97570 1/2" NPT Female Safety Coupler
3M 58598, Scotch Electrical Moisture Sealant Pad 06149, 2-1/2 in x 2-1/2 in,Black,10 pads/carton, 250 pads/case, 7000006236
3M 81284, Scotch-Weld High Strength Retaining Compound RT38, Green, 250 mL Bottle, 7010367436, 2/case
3M 19076, Cloth Belt 577F, 80 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119452, 200 per case 