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 2722-07, PRECISION BORE GAGES FOR SMALL HOLES, .4-.7", with digital indicator, 6940561983692
3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956
3M 55047, Cubitron II Cloth Belt 984F, 80+ YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000144126, 200 per case 