DR Strings Hi-Beam 80/20 - 80/20 Brass Acoustic11-50 BOOTZILLA SIGNATURE 6 STRING BASS MEDIUM 125 LOW B (30-125) The costly stainless steel wrap wire used to manufacture Bootzillas is unique It produces a distinct crunchy tone Bootzillas bass strings are coated for extra protection against damaging substances such as perspiration, dirt, humidity, and acid hands The stainless steel is imported from Europe and provides an edgier tone than standard domestic stainless steel