DR Strings Lo-Rider - Stainless Steel Hex Core Bass 40-100 Gauge: Light Round wound and constructed on a hexagonal core They provide more depth of tone, and are a bit stiffer than Hi-Beams Bass players who are into slapping, popping and tapping will love the high end and depth of Lo-Rider The slight bit of stiffness makes Lo-Rider bass strings very accurate when playing harmonics