Acousti-Lok is a strap lock adapter that adds the safety & flexibility of using strap locks to your acoustic guitar without permanently modifying it. Designed to be used with SCHALLER style strap locks (not included). Fits All 3/8" x 32 Standard Thread Jacks, Strong Solid Brass, Color-Black Finish, Compatible With Most MARTIN Guitars with FISHMAN Electronics, TAYLOR Guitars up to 2002, SWITCHCRAFT, Output Jacks, K&K SOUND Pure Mini & Pure Classic
Acousti-Lok's strong solid brass construction gives you the security you have been looking for. With different Acousti-Lok designs to choose from, make sure you find the one that is compatible with your acoustic guitar output jack. Acousti-Lok was not designed to be used on recessed or flush mount jacks.