2 x Delrin, 2 x Nylon, 2 x Gels picks. Smaller and a lot stiffer, Jazz Grips are Dava's latest design. Made from delrin, nylon, and our polycarbonate gel, and in a size players are used to for a jazz pick, they combine a sharp tip with our rubber grip. Now get the control and precision needed to perform the fastest runs without the fear of dropping your pick.