* Decorative nail heads, also called upholstery tacks or , 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 of cloth. * Material: Metal * Color: Silver Tone * Head Diameter: 16mm (+/-0.5mm) / 0.64-inch * Head Height: 5mm (+/-1mm) / 0.20-inch * Total Height: 20mm (+/-3mm) / 0.79-inch Package Content: * 100pcs x Upholstery Nail Tacks