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 79061 1/2" W x 24" L 60 Grit A/Z DynaCut Belt, 50/pack
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Norton 66254414832 - 3" X 1/4" X 1/4" Vortex Rapid Blend Unified Wheel, 5am U2305, 40 Each
Dynabrade 92056 3" Dia. x 80 Grit A/O Vacuum Hook-Face DynaCut Disc, 50/Pack
Dynabrade 82489 6" Dia. x 100 Grit A/O Vacuum PSA Filmbac DynaCut Disc, 100/Pack
Dynabrade 92153 1/2" W x 12" L 80 Grit Ceramic DynaCut Scalloped Edge Belt, 50/pack
Dynabrade 90272 3-1/2" W x 15-1/2" L 60 Grit A/Z DynaCut Belt, 10/ Pack
Dynabrade 79054 1/8" W x 24" L 80 Grit A/Z DynaCut Belt, 50/pack
3M 19076, Cloth Belt 577F, 80 YF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7000119452, 200 per case 