50Pcs Rainbow Color Metal Brass Double Cap Rivet 9mm Round Metal Button Rapid Rivet Studs for Bags Handbags Rapid Rivet Studs for Bags Handbags Purse Belts Shoes Lanyard Leather Craft Size: cap is 9mm/0.354inch, stem is 9mm/0.0.354inch. Made of high quality brass material with nice electroplated. Durable, strong, anti-rust and can be used for long time. Jinmoore is from China, as one of metal hardware manufacturers, we have many years experiences. 1. As the sizes are manually measured, the actual size of the product you receive may be slightly different from the above size. 2.Due to lighting effects, monitor brightness/contrast settings, etc., there may be slight differences in the color tones between the image and the actual product. Any quality problems, please contact us any time.