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 914, DISC PAD HOLDER , 4 IN X 1/8 IN X 3/8 IN 1/2-13 INTERNAL, 7010365096
Insize 4112-B16, INDIVIDUAL STEEL GAGE BLOCK, 16", grade AS-1, 6928640354106
3M 10115, Synthetic Steel Wool Pads, #3 Coarse, 7000051986
Dynabrade 13061 Arbor Assembly 3/8"-24 Female Thread
Dynabrade 93696 3/8"-24 Female 3/8"-24 Male, 1-1/16" Length
Dynabrade 13017 Arbor Assembly 1/2"-20 Female Thread - 5/8"-11 Male Thread
3M 94714, Cubitron ll Cloth Belt 947A, 120+ X-weight, 3/4 in x 20-1/2 in, Fabri-lok, Single-flex, 7010307700, 200 per case 