Tobacco Mixer Everything is shaved from duralumin ingot. Excellent precision and durability. Tobacco mixer is a tool that shatters and shags the wide-knurled pipe tobacco and more to enjoy smoking. Sharp stones are developed with the concept of high-quality mixers at an affordable price. The metal used is an aluminum alloy of 7000 high strength material used for aircraft structures. It is said to be super duralumin