100 pieces standard shape, ca. 26mm x 31mm colour: purple material: Delflex (injection molded) heavy gauge: 1.17mm (.046") Delflex Picks (Standard Shape) The Delflex polymer picks are injection molded with a blended acetyl resin to reduce cost and improve consistency while being extremely durable and bright sounding. Unlike stamped picks (using traditional manufacturing methods), injection molded picks have the same flexibility in all directions. Conventional pick manufacturing methods use roll or sheet film that can have a different feel when rotated.