ENR71-5's combine the playability of common 45-130 gauged 5-string sets with the benefits of an exclusive "Half Round" manufacturing process. This set is fit for long scale basses with a string scale length of up to 36 1/4 inches.\n\nD'Addario Half Round bass strings are wound with pure nickel, then precision ground, leaving the outer surface smooth and semi-flat while retaining the flexibility of round wound strings. D'Addario's exclusive heat treating process ensures that Half Rounds retain their round wound brightness and sustain.\n\n- 45-130 gauged 5-string set with the benefits of an exclusive "Half Round" manufacturing process\n- Brightness and tension similar to standard round wound strings with smoother feel\n- Fits long scale basses with a string scale length of up to 36 1/4 inches\n- Made in the U.S.A. for the highest quality and performance\n- String Gauges: Wound .045, .065, .080, .100, .130\n- Environmentally friendly, corrosion resistant packaging for strings that are always fresh.