Very Fine Needles The Acupuncture needles are manufactured in China. The needles are sterilized, disposable, and for one time use only. The handle of the needles are formed with winding wire plated with silver. The body of the needles are made of hair thin stainless steel wire and are flexible. a. Diameter: Wire Gage #32 (0.25 mm) b. Length: 1 inch, 1 1/2 inch. and 2 inches The acupuncture needles are superficially inserted at the Acupuncture Points Most needles are inserted less than 1/4 inch. Some needles are inserted perpendicular to the skin surface at the acupuncture point. Some needles are inserted at a slight angle to the skin surface at the acupuncture point Electric Nerve Stimulation and Infrared Heat Therapy devices are both manufactured in China. The Electric Nerve Stimulation device delivers low intensity electric impulses to the acupuncture points. The Infrared heat device radiates heat to the area treated.