Bring out the true voice of your bass with DR PURE BLUES™ strings. Built with a Quantum Nickel wrap around a round core, these strings give you the best of both worlds. You get the warmth and depth of pure nickel, plus the brightness and bite you’d expect from stainless steel with impressive sustain. The result is a well-balanced sound with punchy lows, colorful mids, and articulate highs that cut through the mix whether you're thumping, slapping, digging in with a pick, or laying it down fingerstyle.The round core design adds flexibility and a smooth feel, offering that “just right” touch for comfort and control. Proudly crafted in Westwood, New Jersey, each set is made with high-quality American materials and DR’s attention to detail that players trust. PURE BLUES™ isn’t just a string, it's a tone thing.DR Strings Pure Blues 45 Medium FeaturesQuantum Nickel wrap on round core for a blend of warmth and brightnessBalanced tone with punchy lows, rich mids, and clear, articulate highsVersatile response for thumping, slapping, picking, or fingerstyle playingSmooth feel and added flexibility thanks to the round core designEnhanced sustain and dynamic range that stands out in any mixMade in the USA using high-quality American materialsBuilt with DR’s trusted craftsmanship for reliable tone and performanceDR Strings Pure Blues 45 Medium SpecificationsString Gauges: 45-65-85-105 DR Strings Pure Blues 45 Medium Quantum Nickel Bass Strings, Medium 45-105.