If the link shows a set, it is (adjusting screw + nut plug or nut), not indicated is (individual adjusting screw or nut plug) yo~. Application: This product is suitable for sealing stainless steel, aluminum, iron, galvanized, square, copper, etc., including furniture, tables, chairs, stools, drying racks, stainless steel doors and other stainless steel decorations, waterproof and dustproof to protect the floor from scratches and reduce noise.
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