The D'Addario EXL220S XL Nickel Wound set consists of four strings for short scale electric bass, with dimensions .040–.095 and Super Light tension. They belong to D'Addario's XL Nickel series and are aimed at bassists who desire a light feel and a bright, clear character.

The strings feature a hex-shaped core made of high-carbon steel and a winding of nickel-plated steel. Their round wound construction provides a familiar feel and versatile sound character, suitable for many different musical genres. They are manufactured in the USA at D'Addario's facilities in New York.

• Type: Electric bass strings
• Manufacturer: D'Addario
• Model: EXL220S
• Series: XL Nickel Wound
• Scale: Short Scale
• Number of strings: 4
• Gauge: .040 / .060 / .075 / .095
• Tension: Super Light
• Construction: Round Wound
• Winding: Nickel-Plated Steel
• Core: High-Carbon Steel Hex-Core
• Coating: Uncoated
• Made in: USA