DR Strings Hi-Beam Flats - Flatwound Stainless Steel Round Core 5 String Bass 45-125 Flatwound Legend 5-String Bass Medium DR flat wound Hi-Beam stainless steel bass strings are built on a round core, unique in the industry Hi-Beam bass strings require much more time, care, and extra steps to make than other strings The extra effort DR expends making Hi-Beams results in a bass string that is highly flexible, musically warm and renowned for durability, unusually long life, consistency, and string-to-string balance They don't eat your frets