... , 25mm, 30mm 4) Core: poplar / hardwood5) Face/Back: Okume, Birch, Oak, Bintangor, Black Walnet, Sapele, Beech, Cherry, Ash, Red Padauk, Rosewood ... , Red oak, Tharland teak, Yellow rose wood,Wengue, White oak, Hard Maple, Aniegre, Makore, Birch6)Glue: MR ...