The Landgren mouthpiece has a comparatively large rim for jazz offering players a powerful sound and great flexibility. This replica model is identical in every way to the Signature (079922), except without the gold plating. -Yamaha/cdp • Small shank • Rim Inner Diameter: 25.11mm • Rim Contour: Semi-round • Rim Thickness: Semi-thin • Cup Depth: Standard • Throat: 6.25mm • Backbore: Semi-narrow