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 54765, SandBlaster Right Angle Grinder Multi-Layer Disc 9679 60G 4-1/2 inch, 7010339877
3M 50258, Roloc Disc 777F, 60 YF-weight, TSM, 3 in, Die RS300VM, 7010325551
3M 55055, Cubitron II Cloth Belt 984F, 80+ YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Single-flex, 7000119520, 200 per case 