Fat-Beams are compression wound to produce fat mids, bright highs and that distinct edgy Fat-Beam sound. Hand-made with the finest American stainless steel available, wound on round cores for increased flexibility and tone. DR Strings are hand-made (not machine-made) because our expert string-makers are capable of making micro adjustments needed through the winding process for the best sound and feel possible. The Difference is Real. <> Scale Length: 37 3/4" <> Material: Stainless Steel. Round Core Wire with Ball End. <> 45 65 85 105 130