Blacksmith AOT Electric RL-7; ANW-1056-7st; Coated 7-String Set for Electric Guitar; Tension: Regular Light; Round Wound; Winding material: Nickel Plated Steel, The Nano Carbon Shield AOT coating prevents oxidation and dirt build-up on the wound strings. The perfect balance of consistency, tone, durability, and performance. ; Gauges: .010, .013, .017, .026, .036, .046, .056