Beautiful 2-piece European Maple (A. pseudoplatanus) Back Set for Double Bass w/ matching ribs (4).  Cut 2023.  Please check product gallery for closeups . Min. Dimensions: Each Half: 330mm x 1135mm.  Wedge thickness is: 50mm x 10mm at ends. Note: Outline shown in photo is 660mm width (Lower Bout) x 1060mm Length Ribs: 220mm x 1240mm x 4.1mm thk. Item: DB2P0623