Dimensional Information - The rod of the brass tack is 22mm/0.87''long,the diameter of the cap is 6mm/0.24'',and the height of the cap is 3mm/0.12''.(Sharp items, please keep away from kids before installation) High Quality - Brass tack are made of pure copper material,solid forged thickened material,hard,firm,durable,can be used for a long time.Perfect metal accessories for your diy projects. Perfect Accessories - Solid copper decorative brass tacks,smooth surface without burrs,almost maintenance-free,durable.Brass tacks are designed to be thick and won't break or bend rustic wooden furniture in your home or office. Note - To install the brass tack,please choose shadof hammer or solid wood hammer to avoid damaging the brass tack.If there is no rubber or solid wood hammer,place soft gauze,such as waste cloth or gloves,on the top of the copper cap nail. Wide Applications - Widely used in villa gates,Chinese large wooden doors,imitation stolen doors,temple gates,Chinese villa decoration,European villa doors and Windows (all kinds of furniture),cabinets,wooden shutters,barn doors,wooden garage doors,antique wood storage boxes,antique treasure boxes,hardware,brass decorative hardware and installation of carpets,nails and other furniture items. Features: - Hight Quality Solid pure copper,thicker,does not fall off and does not fade,longer service life. - Easy to Install Decorative brass tack are easy to install,just drill a small hole and knock in with a rubber mallet. - Note This brass tack is not a steel tack,not a cement tack,can not directly nail the cement wall or iron,can only be nailed to the cork head. Specification: Material:Pure Copper Color:Black Size:Rod:22mm/0.87'',Cap Diameter:6mm/0.24'',Cap Height:3mm/0.12''. Package: 20 x brass tack