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: 12mm x 12mm / 0.46inch x 0.46inch* Head Height: 4mm (+/-0.5mm) / 0.16-inch* Total Height: 17mm (+/-0.5mm) / 0.67-inch Package Content: * 20pcs x Upholstery Nail Tacks.