Description: * Decorative nail heads, also called upholstery tacks, are used to fasten upholstery material to furniture or directly used into leather sofa.* Suitable for hanging or holding down charts, banners, calendars and so on. Widely used for DIY home decoration, office, and restaurant, etc.* Please do not use any chemicals to clean nail heads, please just clean them with dry piece of cloth.* Please pay attention to the size information! These are extended upholstery nails, please confirm the required size before placing an order. Specification: * Material: Iron* Color: Silver Tone* Head Diameter: 18mm (+/-0.2mm) / 0.72-inch* Head Thickness: 1.4mm (+/-0.2mm) / 0.06-inch* Total Length: 50mm (+/-0.5mm) / 1.96-inch Package Content: * 20pcs x Upholstery Nail Tacks.