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 87449 Silver Depressed Center Grinding Wheel, T27 Quick Change, 9 in x 1/4 in x 5/8-11 Center Hub Thread, 7010409732, 20 per case
3M™ 07012, Supplied Air Hose W-9435-100/07012(AAD), 100 ft, 3/8 in ID, Industrial Interchange Fittings, High Pressure, 7000005375, 1 EA/Case
Standard Abrasives 712149, Aluminum Oxide Handy Roll, P100 J-weight, 1-1/2 in x 50 yd, 7010295370
3M 27468, EMI Copper Foil Shielding Tape 1181, 1 in x 18 yd (25,40 mm x 16,5 m), 7000132169
Insize 7351-1EX14, LONG HANDLE, length 77.8", 6928640370687
3M 15060, Roloc + Button 7, 3/8 in Red, 7000045945
Dynabrade 95746 3/8" NPT Speed Regulator
3M 27707, Cubitron II Roloc Durable Edge Disc 984F, 36+, YF-weight, TSM, Maroon, 4 in, Die RS400BBM, 7000119217, 100 per case
3M 64808, Scotch-Brite EXL Unitized Mounted Point, W185 x 1/8 in 8S FIN, 3M 7010310009
3M 26199, PPS Series 2.0 Lid, Standard/Large, 125 Micron Filter, 7100135628
Dynabrade 53533 Cone or Plug Grinder (Triple Extension)
3M 16000, PPS Lid & Liner Kit, Standard (22 fl oz), 200 Micron Filter,
50 Lids & Liners per kit, 7010029840
3M 26017, PPS Series 2.0 Adapter, Type S10, 1/4 Female, R-Angle 19
Thread BSP for Side Cup Mount, 7100135927
3M 33440, Cubitron II File Belt, 33440, 80+, 10 mm x 330 mm (3/8 in x 13 in), 7100033195, 10 belts per carton, 5 cartons per case
3M 30688, Cloth Belt 577F, 120 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000119460, 200 per case
3M 64279, Cubitron II Stikit Film Disc 775L, 180+, 5 in x NH, Linered w/Tab, Die 500X, 7100075690, 250 per case
3M 97419, Aluminum Foil Tape 3380, Silver, 48 mm x 45 m, 3.25 mil, 7000049613
Standard Abrasives 700667, A/O Full Taper Cartridge Roll, 1/2 in x 2 in x 1/8 in 60, 7100092988
3M 70894, 641WY 1/2" X 24", 100 Mesh Diamond Cloth Belt, 7010533228
3M 84302, Cloth Belt 777F, 36 YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000118387, 200 per case 