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 40320 Dynafile II Abrasive Belt Tool
Insize 2307-1, DIAL INDICATOR, 1", lug back, 6928640312625
3M 81356, Venture Tape White Aluminum Foil Tape 1558HT, 72 mm a 45.7 m, 5.4 mil, 7010335933
3M 19553, Cloth Belt 577F, 60 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119458, 200 per case
Dynabrade 90875 2" Dia. Super Fine NWN DynaBrite Locking-Type Disc, 25/pack
3M 05050, Cloth Belt 384F, 80+ XF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7100141438, 200 per case 