D'Addario added an ultra ultra-fine EXP Coating to the 80/20 bronze outer wrap wire to create the brightest, longest lasting acoustic guitar strings...
An ultrafine layer of EXP Coating is bonded to the 80/20 bronze wrap wire, then wound onto the hex-shaped core wire. The result is a built-in barrier...
Built-in barrier against corrosion and wear., An ultra-fine layer of DAddarios exclusive EXP Coating is bonded to the 80/20 Bronze wrap wire which is...