Piranha III Tungsten Grinder. This grinder is designed for maximum commercial use and includes a universal collet which will grind from .040.-3/16. The construction of the PIII unit is heavy solid steel and very user friendly. The Piranha III unit is also fully enclosed with a 90% containment of excess tungsten electrode dust. (20" x 12" x 12" - 51 lbs / 508mm x 304.8mm x 304.8mm - 23.13 kg)- Continuous grinding of .040" - 3/16" (1.0 - 4.8mm) tungsten. Solid construction. No vibration.- Longitudinal grinding for maximum arc stability.- Precision scale for setup and repeatability.- Electrode guide accommodates 6 electrode sizes.- Capable of a wide range of included angles.- Electrode notching station for simple cut-off.- Electrode guide has square end grind position.- Detailed Manual includes engineering data and welding recommendations.- 6.0" diamond wheel improves your surface finish- Vacuum port ready