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 DR 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. Hi-Beam bass strings require much more time, care and extra steps to make than other bass strings.
 
The stainless steel wrap wire produces a balanced  brightness that cuts through the band
The round core wire increases flexibility and musicality without making the tone harsh