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 26016, PPS Series 2.0 Adapter, Type S9, 16 mm Male, 1.5 mm Thread, 7100135330
Insize THT-A104T-U, TEMPERATURE AND HUMIDITY TESTER, 27.56_33.46_27.56", 6974029771491
3M 19892, Neoprene High Performance Contact Adhesive 1357, Gray-Green, 1 Quart Can, 7000046324, 12/case
3M 82975, Roloc D/F Cool Running Disc Pad TR, 3 in 1/4-20 Internal, 7010309116
Dynabrade 96230 Arbor Press Ram
Dynabrade 91429 1/2" W x 12" L 80 Grit A/O DynaCut Belt, 50/pack
3M 84303, Cloth Belt 777F, P120 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000118388, 200 per case 