.070" / 1.78 mm Music Wire 20 FEET HIGH QUALITY SPRING WIRE - Spring Steel
.070" / 1.78 mm - 20 FEET - HIGH QUALITY SPRING WIRE - ASTM A228. MUSIC WIRE aka SPRING STEEL aka PIANO WIRE - SIZE. WE ARE A SPRING MANUFACTURER. WE ONLY USE THE HIGHEST QUALITY WIRE. LET US KNOW IF YOU NEED OTHER SIZES, TYPES AND LENGTHS.