Richter Strings 11-68 Pi Stoffers Sign. Set; Electric guitar string signature set by Pi Stoffers / Lord of the Lost, This is the original string set as Pi Stoffers uses it live and in the studio for Lord of the Lost, string set: 011-015-020-036w-052w-068w (w = wound), perfect for drop A tuning, ion coating for perfect sound and longevity, core made of hexagonal steel with a high carbon content