Beautiful claro Walnut Tenor Uke. set. This wood came from a retired wood mill owner's stock, air dried 4 years. This set has nice curl throughout . Satisfaction is guaranteed. This set measures: sides, each piece . Backs .150" x 5" x 12 3/8", Sides .150 x 4" x 20 1/4", backs and sides with a perfect match! Please check your pattern to make sure this wood is big enough for what you plan to build before you buy it, ThanksArt