Function
Product Name: Metallic thread
Item No.: BTI-MT-1, BTI-MT-2, BTI-MT-3, BTI-MT-4, BTI-MT-5, BTI-MT-6, BTI-MT-7, BTI-MT-8, BTI-MT-9, BTI-MT-10, BTI-MT-11, BTI-MT-12, BTI-MT-13, BTI-MT-14 and BTI-MT-15.