HSN Code 7015 refers to "Clock or watch glasses and similar glasses, glasses for non-corrective or corrective spectacles, curved, bent, hollowed or the like, but not optically worked, hollow glass spheres and their segments, for the manufacture of such glasses (excluding flat glass for such purposes)." This classification code is essential for identifying various types of glass products used in the manufacture of spectacles and timepieces for import/export purposes based on their nature, composition, and intended use. Common products under HSN Code 7015 include clock glasses, watch glasses, non-corrective spectacle lenses, corrective spectacle lenses, and hollow glass spheres. Additionally, the GST rate for these glass items under this code supports accurate trade compliance.