The pure Tungsten material:pure tungsten rods, pure tungsten plates and sheets, tungsten disks etc.The biggest pure tungsten plate in the ptote is 300mmx300mmx20mm ( W>99.96%). The tugnsten rings machined in the pictures has the diameter 56mm.
Tungsten sheet thickness can be 0.1mm and above;
Tungsten rod diameter is from 0.8mm and above