Fluorocarbon is used specifically for Martin's M600, M620 and M630 Ukulele strings. The density of this material is higher than traditional nylon and produces a stronger and richer tone. >More
Made from the highest quality round steel wire with D'Addario's patented Lock Twist method, which makes certain the ball end won't separate from the string. These strings will provide musicians with the fine tone and ideal intonation they've been looking for to express their music. >More
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