Dunlop 477P507 5.0mm Primetone Large Round Tip Guitar Picks, 3-Pack Dunlop Primetone Guitar Picks are molded of bright and durable polycarbonate with a built-in concave and carved gripping surface Gypsy jazz, bluegrass, and shredders alike will benefit from its precision contoured edge that ensures a smooth release for accurate and fast picking 5mm thick, available in five definitive shapes Made in the USA