Customizable string winder bit with hex shank

A customizable (via openSCAD) tuning peg winder for ¼" hex-shaft screwdrivers. Convert an electric screwdriver into an automatic string winder for your guitar or other instrument with tuning pegs.

The default model fits tuning pegs of 24x8x16mm dimensions, which is good for many tuning pegs.

For more unusual tuning peg sizes, the inner dimensions can be customized by modifying the socket_inner variables using OpenSCAD