SHAX laboratory tungsten carbide cutter H129SHAX, HP 104 shankfor straight lab handpiece, size 023 (2.3mm) diameter with 8mm working length. For non-precious metal and model cast alloys. Shax are a new generation of tungsten carbide cutters, for work on non-precious metals. The active part is provided with a unique blade geometry where each tooth has its own individual height and depth. These cutters remove large amounts of material while creating a perfectly smooth finish on metal surfaces.