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 IST-1W30A, DIGITAL ANGLE TORQUE WRENCH, 53.1~265.5in.lb/4.42 ~ 22.12ft.lb, 6928640326318
Dynabrade 54705 Rotor/Vane Set 