DR Strings HI-BEAMS - Stainless Steel 4-String Bass Guitar Strings 45-105 Round Core About this item Gauge: Medium Round wound and constructed on a round core which is unique in the industry Highly flexible and musically but not harshly bright Renowned for durability unusually long life consistency and string-to-string balance They don t eat your Frets. Hi-beams are the string to choose for brightness punch and ease of playing Hi-beam stainless steel bass strings are round wound and constructed on a round core which is unique in the industry. Hi-beams require much more time Care and extra steps to make than Other bass strings. The extra effort dry expends making hi-beams results in a bass string that is highly flexible and musically but not harshly bright. They are renowned for durability unusually long life consistency and string-to-string balance. They don t eat your frets. Hi-beams are the string to choose for brightness punch and ease of playing.