The 124J Universal Bit Winder electric screwdriver attachment is an effective solution for quick, effortless string changes. It is made from high-quality polymer material. Its one-size-fits-all design fits all keys, including bass.

• It makes the string-changing process quick.
• Can be attached to any rechargeable screwdriver.
• Allows for faster and easier string changes.
• Applies to all guitars and basses thanks to its design.