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 55065, Cubitron II Cloth Belt 984F, 36+ YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Single-flex, 7000148169, 200 per case
3M 80686, Cloth Belt 777F, 80 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Single-flex, 7000118437, 200 per case 
