The choice of Kid Andersen, ThroBak Vintage Choice Hex core Nickel wound strings deliver the highest quality spec. to the most popular style of Nickel plated steel hex core strings. The classic hex core design gives more snappier response on the wound strings compared to a Nickel wound round core strings. The hex core also makes for slightly tighter wound string in terms or resistance to a picked note. A great choice for players with an aggressive attack. Made in U.S.A. using only the finest U.S.A. wire.