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 33446, Cubitron II File Belt, 80+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033186, 10 belts per carton, 5 cartons per case
Insize 6302, MICROMETER STAND, 6928640392467
3M 26137, PPS Series 2.0 Adapter, Type S41, Trapezoidal Thread - QCC, 7100135947
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 05699, Hookit Foam Hand Sanding Set, 7000045514, 20 per case
3M 84303, Cloth Belt 777F, P120 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000118388, 200 per case 