11-40 NBM1140 is a medium Nickel Bronze set that features strings for ease of playability and balance. Producing a distinctly clear and focused tone, Nickel Bronze strings bring out the unique character of your acoustic instrument, allowing its natural voice to be heard. String Tension Chart Item #NoteDiameterTension - E 0.0110 in 23.250 lbs - E 0.0110 23.250 - A 0.0150 19.260 - A 0.0150 19.260 - D 0.0260 23.210 - D 0.0260 23.210 - G 0.0400 24.300 - G 0.0400 24.300 Product Features

• Coating: Uncoated
• Tuning: Standard
• Number Of Strings: 8
• Set Type: Sets
• Wrap Material: Nickel Bronze

• Nickel plated phosphor bronze wrap wire provides a uniquely balanced tone with enhanced mid-range frequencies, bringing out the true sound of your instrument
• Nickel plating increases natural corrosion resistance for a longer lasting uncoated string.
• Features D'Addario's exclusive high-carbon NY steel for unprecedented strength and tuning stability.
• Environmentally-friendly, corrosion-resistant packaging keeps strings fresh
• All D'Addario strings are designed, engineered, and manufactured in the USA

Does D’Addario have an online string tension guide?

Yes. We offer String Tension Pro - a free, easy-to-use website that allows you to create customized string sets, compare string sets, and determine the optimum gauges for your instrument and tuning. To learn more, click here.

How can I extend the life of my strings?

There are many factors that can affect the lifespan of your strings. Here are some tips to help extend the life of your strings:

1. Wipe down your strings after each use.

2. Try D’Addario XT strings, which utilize a proprietary treatment to extend lifespan, while preserving the tone and feel of your favorite uncoated strings. 

3. Try these maintenance and care products to prolong string life and performance. 

How do I restring my guitar?

Check out the videos to learn the restringing process for electric, acoustic, classical, bass, and other instruments. You will also find videos on restringing, tuning, humidification, and general maintenance.