WHAT WILL YOU GET - You will get 200 pcs metal upholstery tacks, the overall height is 9mm/0.35inch, diameter is 9mm/0.35inch. 200 pcs metal thumb tacks fully meets your needs. HIGH QUALITY TACKS - These furniture tacks are made of high-quality metal materials and have a smooth surface without burrs. The decorative tacks are manufactured with excellent electroplating production technology, which has a long service life and can be can be recycle to use. MULTIPLE USE - Thumb push pins has a unique retro style, suitable for offices, schools, homes, etc., to make your sofa, chair and bed look more beautiful. Small upholstery tacks are also suitable for fixing paper products, maps, photos on cork boards, and can also be used to decorate DIY crafts, beds, wooden boxes, sofas, etc. EASY TO INSTALL - Please use tools to install the thumbtacks, such as pliers and hammers. Clamp the upholstery tack with the pliers, and then tap the edge of the cork board or sofa with a hammer. But you need to be careful not to hold them with your fingers when tapping to prevent injury.