* 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. * Material: Iron * Color: Bronze Tone * Head Diameter: 16mm (+/-0.5mm) / 0.64-inch * Head Height: 4mm (+/-0.5mm) / 0.16-inch * Total Length: 20mm (+/-1mm) / 0.80-inch Package Content: * 30pcs x Upholstery Nail Tacks