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 33439, Cubitron II File Belt, 33439, 60+, 10 mm x 330 mm (3/8 in x 13 in), 7100033194, 10 belts per carton, 5 cartons per case
Insize HDT-L411, PORTABLE LEEB HARDNESS TESTER, 6940561944952
3M 80486, Cloth Belt 777F, 60 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Full-flex, 7000118443, 200 per case
3M 26112, PPS Series 2.0 Spray Cup System Kit, Midi (13.5 fl oz, 400
mL), 200 Micron Filter, 7100169390
Dynabrade 53244 7" Dia. Type 27 Vertical Depressed Center Wheel Grinder, 3 HP, 7,200 RPM, 5/8"-11 Spindle
3M 84404, Cloth Belt 777F, 60 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000118392, 200 per case 