Hardwood Bamboo Saxaflutes. The variety of bamboo used in this model is called TAM VONG. It is also referred to as Iron Bamboo. The centre is almost solid and so the work making these Saxaflutes involves drilling out the centre on the wood lathe. A strong, thick walled Saxaflute with a lot of tonal qualities. The next best thing to exotic wood for the Saxaflutes.