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 87670, High Intensity Prismatic Reflective Sheeting 3930DS White forDigital Printing, 24 in x 50 yd, 7100116165 