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

Insize 6144, ACCESSORY SET FOR DIGITAL CALIPERS, 6928640380839
Dynabrade 98271 1/2" NPT Male Plug
Standard Abrasives 875002, Buff and Blend Flap Brush, 8 in x 1 in x 3 in FB099 15-87 A VFN Medium Density, 7010310137
3M 20942, PSA Cloth Disc 348D, 80 X-weight, 3/4 in x NH, Die 75K, 7000118911 