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

Insize 4112-CD129, INDIVIDUAL STEEL GAGE BLOCK, .129", grade AS-2, 6928640352676
3M 22916, Scotch-Brite Cut and Polish Flap Brush, 16 in x 2 in x 10 in 7A MED, 7010299327, SPR 018708E
3M 11414, Roloc Disc 361F, P120 XF-weight, TR, 1 in, Die R100N, 7000045104
3M 71358, 641WY 1/4" X 24", 600 Mesh Diamond Cloth Belt, 7010534894
Dynabrade 13015 Arbor Assembly 1/2"-20 Female Thread - 5/8" Male Thread
3M 55047, Cubitron II Cloth Belt 984F, 80+ YF-weight, 3/4 in x 18 in, Fabri-lok, Single-flex, 7000144126, 200 per case 