Red Hand Custom Guitars exclusively uses Curt Mangan Fusion Matched Strings on all of out builds. Real Strings! Real Tone! Real Players! 100% Hand made in Cortez, Colorado USA Curt Mangan Fusion Matched strings were developed from the ground up and from a player's perspective. Every batch of Curt Mangan strings is play-tested to make sure they have that tension balanced feel with a clear, solid tone. The sets listed here are the same sets we string up your new custom made to order guitar with.