B085RJQ1G9 Piano Tuning Pin Hand Held Coil Maker

The tuning pin is placed into the coil maker
and with the depth gauge screw adjust the pin to the proper height.
After inserting the steel wire through the becket hole
and against the hardened set screw on the coil maker, turn the pin with your tuning pin crank to make perfect coils. Tool is 3-1/2″ long.