Standard ball electrode are made of #303,#304 medical grade stainless steel,2.36mm standard diameter shaft,5mm is optional.

Model for Standard,Extension and many kinds of shapes.All electrodes are made of 303#,304# medical grade stainless steel.CNC manufacturing with high standards.Disposable pencils materials are PVC/ABS with EO disinfection.High temperature resistance of 134 degree is optional.The Tungsten materials tested with continous use of 1000 times.Disinfection with EO or Gamma.