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

Dynabrade 92119 1/4" W x 12" L 220 Grit A/O DynaCut Belt, 50/pack
3M 91777, Premium Protective Overlay Film 1160i, 48 in x 50 yd, 1 Roll/Case, 7100255516
3M 26006, PPS Series 2.0 Adapter, Type S5, 12 mm Male, 1.5 mm Thread, 7100135831
3M 17093, Versaflo Hood Assembly with Inner Collar and Premium Head Suspension S-655, 7000002347, 1 EA/Case
3M 86775, Cubitron ll Cloth Belt 947A, 40+ X-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7100033084, 200 per case 