The nickel Planet Waves NS Universal Strap Locks are designed to provide enhanced strap security for active musicians playing guitars, basses, and other held instruments on stage, in the studio, and at rehearsals. Designed by Ned Steinberger to enable fast connection and removal of your strap without compromising stability, the locks are easily installed without drilling additional holes in your instrument. The system includes one pair of strap locks, three screws, and a matching endpin.