U Bass Strings Black or Ivory MGB Sale! from $15.00 Color Black Ivory Qty. Add to Cart Free Shipping in the USA! SKU: 21810 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Polyurethane strings for U Bass instruments. Strings measure .196, .165, .117 and .093 and 32 inches long. Tweet