D'Addario ECB81-5SL Super Long Scale Chromes 5-String Electric Bass Strings Regular Light 45-132ECB81 5SL, the 5 string super long version of D'Addario's best selling Flatwound bass strings, are known for their warm, mellow tone and smooth polished feel. With the addition of a . 132 low B, ECB81 5SL Chromes deliver a deep, rich low bottom end which makes them the flat wound choice of Jazz, R&B and Pop musicians. Fits super long scale basses with a string scale length of up to 38 inches. Super long 5 String version of D'Addario's best selling