3 Sets of Fender 3150R Original Bullets Pure Nickel Wound Electric Guitar Strings in sealed packaging. Gauges: .010, .013, .017, .026, .036, .046 The best of yesterday and today! Fender started with their Pure Nickel wound strings (Original 150s) and added their newly improved Patented Bullet end. Designed especially for your tremolo-equipped electric guitar, the Bullet end lends additional tuning stability to the warm full vintage sound of Pure Nickel. Bullets - the String for Strats!