The daddario nyxl electric guitar strings super light 09 42 is a heavy duty and revolutionary set that last linger sound better bend further and hold tune for longer. By taking the design and manufacturing process back to basics and working from the ground up daddario has incorporated an improved wire drawing processes with a fusion twist procedure to create the most reliable set of guitar strings on the market. The nickel plated windings have been reformulated resulting in a higher output and enhanced mid range frequency response for more presence and crunch. This sets high carbon steel alloy provides great strength allowing you to play fearlessly and these strings have enhanced tuning stability compared to traditional nickel wound strings. What better way to perform than with daddario?