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

Insize VSP-201D, FOUR DIRECTION CABLE(FRONT VIEW), cable length 120", 6940561941302
Dynabrade 78512 1-1/2" x 3/4", 1/4-20 Female Center Thread, 120 Grit, 8-Ply, Dynacut A/O Square Pad, 100/pack
3M 05050, Cloth Belt 384F, 80+ XF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7100141438, 200 per case 