Premium quality tungsten carbide tools including foundation drilling, trenching, road milling, mining, and tunneling tools. -Round Shank Cutter Bit (Foundation Drilling, Trenching, and Coal Mining&Tunneling Bits) 11,3 mm / 0,44" - 38 mm / 1,5" -Weld-on Teeth, -Welding Bars (for Horizontal Directional Drilling -HDD) -Quick Change Bar -Road Planning Bits & Holders