Fender Original Bullets Electric Guitar Strings Regular 3150R 10-46 3 pack Fender original bullets are an excellent choice for blues, jazz, and classic rock. The German-made bullet end fits precisely into Fender tremolo blocks, enhancing sustain and stability. That means you get more for your money with original bullets They stay in tune better and they resonate more than standard ball-end strings. By the way, the bullet end isn't just for trem users