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: Bronze Tone* Head Size: 30mm x 30mm / 1.18inch x 1.18inch* Head Height: 9mm (+/-0.5mm) / 0.36-inch* Total Height: 31mm (+/-0.5mm) / 1.22-inch Package Content: * 3pcs x Upholstery Nail Tacks.