Medium light GHS ML3045 Coated Boomers Roundwound Electric Bass Guitar Strings boast a nickel-plated steel wrap. They"re great strings for achieving brilliance, volume, sustain and strength in your bass playing. ML3045 Coated Boomers medium light bass strings range in gauge from 45 to 100. GHS String Design GHS has made high-quality replacement strings since 1964 and GHS Boomers are their most popular strings for electric guitars and basses. The string specialists at GHS bring a craftsman-like approach to each aspect of bass guitar string design. From material selection to such intricate factors as core-to-cover ratio, winding direction, wire tension and alteration of the wire, GHS designs state-of-the-art strings that enhance the sound quality of all playing styles and instruments.Clear, thin coat on each string for protection against breakage Roundwound Nickel-plated steel wrap Gauges: 45, 65, 80, 100