DR Strings Hi-Beam - Stainless Steel Round Core Medium 6 String 30-125 DR Hi Beam Stainless Steel Round wound on Round Core 6 String Bass Med 30-125 DR Hi Beam Stainless Steel Round wound on Round Core 6 String Bass Med 30-125 DR Hi Beam Stainless Steel Round wound on Round Core 6 String Bass Med 30-125