Bolts -40 Pieces Binding Screw Posts Chicago Screws Intervis Scrapbooking Highlights brand generic 40 Pieces Binding Screws Posts Chicago Screws Intervis Scrapbooking Description: Made of good quality alloy, study and durable to use. Easy to install and remove, can be used repeatedly Widely applicable for leather craft decoration, decoration document, book, photo album, bookbinding, scrap booking and other DIY crafts. Perfect for decorating your bags, belts, handbags, leather bracelets, shoes, hats and all kinds of art and DIY leather crafts. Usage: These screw posts are easy to bind and remove, use a drill to punch a 5mm diameter hole, then install the screws. Size Chart: Rivet Diameter: Approx. 9mm / 0.35inch Rivet Tube Height: Approx. 6mm / 0.24inch Package Include: 40 Sets Post Screw Binding Rivets (20 Silver, 20 Green Bronze) Note: Please allow a little size error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.