Hwato press needles. These Chinese press needles suitable for auricular therapy are supplied without a plaster attached. The press needles are supplied in small vials, 10 per vial and are non-sterile. If you would like to purchase plasters to secure the press needle to the ear for ear acupuncture we would recommend ordering 10mm plasters, product code PR08. Size 0.22 x 1.3mm, 10 vials per box, (100 press needles)