Delrin, created by DuPont, is strong, resilient and extremely durable. These picks are die cut and tumbled for a smooth, rounded edge resistant to chipping. Matte finish improves grip, even after hours of playing. Web Product Page: Fender® Rock-On Touring Picks Dealer Only Product: Product Master Group: PICKS Product Group: ROCK-ON TOURING PICKS Product Name: Fender® Pickpacks: Fender® Rock-On Touring Picks (351 Shape) 12 Pack Product Description: Purple, Extra Heavy (1.14mm) Part Number: 0987351950 Copy: Our Rock on! Touring picks feature our Fender® Rock-on graphic! These 351-shaped picks are precision cut and expertly tumbled to provide a smooth, rounded edge resistant to chipping. The finishing process assures a virtually slip-proof grip and unmatched durability even after hours of playing! Specifications: A handy re-seable clamshell of 12 picks. Resin Picks Introduced: Notice: Product Prices, Features And Specifications Are Subject To Change Without Notice