Oshima ON-688CDD3 needle detector can be used to detect hidden needles in different types of sewing products (such as men, women, children, underwear, kimonos, coats, beds, shoes and hats, toys luxury, carpet, sanitary products). Broken needles and other iron pieces, etc., can also be used to detect toilet materials such as medicine, food (food, fish, meat, fruit, etc.), zipper of clothing accessories. , button, and non-magnetic Materials such as copper, aluminum, zinc, paper, rubber, chemical industry materials, etc. are mixed with iron pieces.