The Planet Waves Adjustable Insert Pick is a customizable solution to achieve a variety of picking sounds and attacks. Designed with the electric bass player in mind, a rubber outer pick accepts different inserts of varying thicknesses for soft to hard attacks - the perfect tool to attain a finger-plucked tone on the bass or electric guitar. The Adjustable Insert Pick is also a great tool for acoustic guitars, ukulele, and more to achieve new tonal possibilities. Planet Waves, part of the D'Addario family of brands, is known for innovative, problem-solving, quality musical accessories. Planet Waves offers a complete line of award-winning accessories including cables, picks, tuners, capos, straps, humidifiers, maintenance tools and more.