Description: * Decorative nail heads, also called upholstery tacks, are used to fasten upholstery material to furniture or directly used into leather sofa.* Widely used for DIY home decoration,crafts decoration etc. Not suitable for concrete walls.* Please do not use any chemicals to clean nail heads, please just clean them with dry piece of cloth. Specification: * Material: Iron* Color: Gold Tone* Head Size: 18.5mm x 18.5mm / 0.73inch x 0.73inch* Head Height: 7mm (+/-0.5mm) / 0.28-inch* Total Height: 20.5mm (+/-0.5mm) / 0.80-inch Package Content: * 30pcs x Upholstery Nail Tacks.