This 14" rod of Drilltech, is also known as Carbraze.Carbraze is a mixture of tungsten and carbide granules used in the horseshoeing industry-applied to the horseshoes. This mixture of Carbraze Drilltech has a lower melting point than borium and can be applied to the horseshoe in the gas forge.The flux is on the rod, and tins the steel as you progress.This per sticks and by the pound. 65% Carbide. We offer to apply it here for a nominal fee, and have found this mixture to be most favorable in a variety of conditions.Drilltech, also known as Carbraze. Horseshoe Rod.