351 Shaped Exotic Materials Guitar Picks

351 Shaped Exotic Materials Guitar Picks. This section shows you all of the variations on the basic 351 Shape that we offer in exotic materials. The 351 pick shape has been around for decades and is the most widely used guitar pick shape in the world. The 351 is especially popular with guitar players, however it is also used by bass players, and works well for any stringed instrument. Many players find it to be the perfect size, shape, and tip profile for most situations.