Tungsten alloy rods are cylindrical objects made from tungsten-based materials, typically composed of tungsten combined with other metals such as nickel, copper, and iron.The percentage composition of tungsten in these alloys can vary, but it is typically around 90% to 97% by weight.suitable for applications requiring weight concentration or mass, such as counterweights, balancing weights, and radiation shielding. Suitable for Sports equipment Golf club weights, fishing sinkers, and darts.