Magma's nickel plated electric bass guitar strings are made for players of all styles and skill levels. They are comprised of 8% nickel plated stainless steel, round wound around a precision steel hex core for a consistent tone and enhanced durability. This package contains 1 Sets of New Metal - Heavy "A" Tuning gauge bass strings, with measurements of .065" - .085" - .105" - .135" (gauges 65 - 85 - 105 - 135). These nickel plated electric bass strings provide a bright, solid bass sound, and a consistent intonation which will allow you to play for longer without the need to re-tune your instrument. These electric bass strings are ideal for a wide variety of musical styles, from jazz to rock, and they are an ideal option for musicians of all skill levels. These strings are designed for 34 inch long scale basses, but are also compatible with short scale and extra long scale electric basses. Our strings are shipped and stored in a recyclable package designed to protect them from moisture and corrosion. Visit Magma's Amazon store to shop for more bass and guitar accessories.