Clayton ZZ-Zinc Standard Metal Guitar Picks are crafted out of genuine Zinc alloy metal. Their heavy mass and metal composition will produce tones that are clear and high, as well as a punchy bass with unprecedented volume. They play well for both electric, acoustic, and bass guitar applications. Their matte finish and reversed embedded epoxy logo helps to generate a solid grip between the pick and your fingers. The ZZ-Zinc pick is designed to last and give you years of trouble-free playing.