JCraft Regular Light 4-String Electric Bass Guitar String 40-95JCraft Bass Strings are built in special gauges to deliver the right tension for the discerning bassist. They are made with the timeless combination of hexagonal core wrapped in nickel alloy for the best tone and durability. The light solo is perfect for slap, bends, tapping, and techniques that lighter gauge bass strings can better accommodate. This is also the gauge that Victor Wooten use in his bass. 1st String: 0. 040 2nd String: 0. 055 3rd