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 78104 3" Dia. x 60 Grit A/Z DynaCut Locking-Type Disc, 2 Ply Cloth, 25/pack						
Insize 7342-M0, PIN GAGE HANDLE (OPERATED WITHOUT WRENCH),0.3-1.5mm/0.011-0.060", 6940561971118						
3M 20942, PSA Cloth Disc 348D, 80 X-weight, 3/4 in x NH, Die 75K, 7000118911						
3M 02960, Scotch-Brite Cut and Polish Wheel, CP-WL, 5A Fine, 6 in x 1 in x 1 in, 7100009186, Box of 3						
Standard Abrasives 840339, Quick Change Surface Conditioning GP Disc, 2560582, A/O Very Fine, TSM, Blue, 2 in, QS200PM, 7000121651, 50/case						
3M 60232, Scotch-Brite High Strength Satin Pleated Buff Wheel, HS-SB, 4A Fine, 19 in x 2 in x 2-1/4 in, 7010329319, 5 per case						
3M 45555, Cubitron ll Cloth Belt 784F, 60+ YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7100119295, 200 per case						
3M 05050, Cloth Belt 384F, 80+ XF-weight, 3/4 in x 18 in, Fabri-lok, Full-flex, 7100141438, 200 per case						