Check the listing for details. DR Strings MR5-45 Hi-Beam 5-String Bass Guitar Strings Bundle - .045-.125 Medium. Condition: New. Listed at 67.98 USD. Quality Bass Strings Bundle from DR Strings! Since 1989, DR has been committed to crafting handmade, superb-quality instrument strings. By blending the best of old-fashioned handmade craftsmanship with cutting-edge materials or string coatings, DR continues to push the boundaries of the string-making process. DR's MR5-45 Hi-Beam stainless-steel bass strings are roundwound and constructed upon a unique round core. These strings are noted for being highly flexible, bright, long lasting, and having excellent string-to-string balance. That commitment to quality is what has brought countless topflight bassists and guitarists to use DRs — from U2's Adam Clayton to Phish's Trey Anastasio to musicians here at Sweetwater. This 2-pack bundle gives you double the strings for your 5-string bass.