Nickels are the most popular of the Ernie Ball Slinky guitar strings. They're made from nickel-plated steel wire wrapped around tin-plated hex-shaped steel core wire.
Gauges 11-14-18-28-38-50.
Tite-Fit roundwound nickel-plated electric guitar strings are designed to be a great all-around string available in a wide range of gauges.
Gauges .45, .65, .85, .105, .125.
DR Strings Hi-Beam Stainless Steel Bass Strings are round wound and constructed upon a round core which is unique in the industry.