National Brass Finger Picks produce a warm, mellow tone, with increased volume and clarity in every touch. Each finger pick is moldable to fit securely on every player's fingers. This bundle contains 4 brass finger picks & 2 celluloid thumb picks (1 medium size tortoiseshell and 1 large size white). The industry standard since 1930, National Picks have maintained their original design and are still made in the USA.