351 Premium Medium Guitar Picks - 144 Count. Experience the classic feel of Fender no matter what guitar or bass you play with this generous pack of 351 Shape Premium Medium guitar picks. Fender picks provide comfort and high-performance flexibility for every performer. The Fender Medium picks are made of celluloid, a premier pick material and the cornerstone of the Fender pick collection for decades. Celulloid picks give the traditional feel and a warm, round musical tone. The traditional 351 shape, their most popular pick design, is a perfect accessory for players of versatile styles and techniques.