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 76625, Roloc Disc 777F, 80 YF-weight, TR, 1 in, Die R100N, 7000045621
Insize 6318, CALIPER/MICROMETER GRINDING MACHINE (caliper grinding blocks are included), 6940561953862
3M 05682, Disc Pad Holder, 3M 916, 6 in x 1/8 in x 3/8 in 5/8-11 Internal, 7000120890
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case
3M 57148, Cloth Belt 970DZ, P150 Y-weight, 8 in x 150 in, Film-lok, Single-flex, 7010308249, 10 per case
3M 26053, PPS Series 2.0 Adapter, Type S14, 7/16 Male, 14 Thread UNC, 7100135932
3M 22333, Cloth Belt 577F, 120 YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Full-flex, 7000119441, 200 per case 