Blacksmith AAOT Electric RL; AAEB-45100-4-34; Coated Round Wound String Set for Electric Bass Guitar; tension; Long scale; core material: Steel (Hexa Core); material (winding): Nickel Plated Steel, The Micro Carbon Shield coating, AAOT, prevents oxidation and dirt build-up on the wound strings and are designed to last even longer than the AOT strings. The perfect balance of consistency, tone, durability, and performance. ; Gauges: .045, .065, .080, .100