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. Specification: * Material: Iron* Color: Silver Tone* Head Diameter: 19mm (+/-0.2mm) / 0.74-inch* Head Thickness: 1.3mm (+/-0.2mm) / 0.05-inch* Total Length: 23mm (+/-0.5mm) / 0.89-inch Package Content: * 20pcs x Upholstery Nail Tacks.