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 26129, PPS Series 2.0 Adapter, Type S34, 3/8 Female, 18 Thread NPS, 7100135938
Dynabrade 96101 Dynabrade Air Lube 10W/NR 24 Per Box
3M 87103, Cloth Belt 341D, 24 X-weight, 9 in x 20 in, Fabri-lok, Single-flex, 7010326200, 20 per case
Insize ISY-700-90026, SPRING STAND, 6940561980844
3M 55055, Cubitron II Cloth Belt 984F, 80+ YF-weight, 3/4 in x 20-1/2 in, Fabri-lok, Single-flex, 7000119520, 200 per case 