Fred Kelly Picks Delrin Speed Regular Guitar Picks (24 picks) Heavy Delrin Speed Regular Guitar Picks (24 picks) Heavy Fred Kelly's Speed- Pick was designed to be fast on the strings The long, slim shank allows for precision, speed, and truer tonal clarity It has a comfortable, yet securely fitting thumbhole, and is available in the delrin material Delrin is an extremely strong material, and provides a soft and natural sound on the strings