.strandberg* Boden Prog NX 7 StringBuilt for smooth tremolo action, hyper speed, and a punchy tone Very similar to the groundbreaking Original model, the Prog NX is essentially a tremolo version with Richlite fretboard for a slicker feel and a slightly more cutting tone. Exceptionally light in weight and scientifically engineered for comfort and to reduce tension in your arms, the Prog features a chambered Sassafras body with solid Maple top and premium grade Flame or Quilted Maple