The acupuncture needles type 5CBs have a silicone-free steel needle with a copper helix handle. The cut is sharp and very precise, for gentle and almost painless insertion into the skin. The traditional acupuncture needles with copper helix handle are excellent for classic body acupuncture and ear acupuncture. They are also heat-resistant and conductive. Ideal for the hot needle technique and electrostimulation. With guide tube.