20 Pcs 12mm/0.47 Inch Scrapbook Extension Posts, 303 Stainless Steel Album Binding Screws, Photo Album Extender Accessories for Post-Bound Refillable Scrapbooks, DIY Craft & Album Refill Pages

["20 Pcs Complete Set with Precise Standard Size: You will receive 20 pieces of scrapbook extension posts, each with a total length of 0.47inch/12mm, 0.19inch/5mm outer diameter, 3mm thread diameter, 4mm thread length and 8mm shank length. The standard size perfectly fits most post-bound photo albums, scrapbooks and binding project","303 Stainless Steel Durable Construction: Made of 303 stainless steel with 4.8 strength grade, these album extension posts are rust-proof, corrosion-resistant, sturdy and anti-deformation, not easy to break or strip, ensuring long-term stable use and perfect protection for your precious album pages","Precision Thread & Stackable Extendable Design: Features precision-cut tight threads for a secure, stable fit, no loosening after long-term use. The unique stackable design allows you to connect multiple posts together to meet different page thickness needs, freely extending your album capacity as needed","Smooth Surface & Tool-Free Installation: The untreated polished surface is smooth, will not scratch or damage your album pages, photos and crafts. No special tools required, you can easily install and remove the posts by hand, simply screw them into your album binding holes for page extension and replacement","Wide Versatile Binding & DIY Application: These extension posts are ideal for post-bound refillable photo albums, scrapbooks, DIY handmade crafts, recipe books, notebooks, specimen albums, menus, leather binding, bookbinding and more. They are a must-have accessory for scrapbook lovers, DIY enthusiasts and bookbinding hobbyists"]