Securely bind loose documents with TruBind Chicago screw posts; this 100-set kit includes both screws and posts for convenient assembly and lasting durability. Ideal for projects needing frequent updates or additions, these posts are perfect for menus, books, manuals, architectural drawings, and photo albums. Each post measures 1/2 inch in length with a 3/16 inch diameter, designed to fit punched holes ranging from 1/4 to 5/16 inches. Constructed from durable aluminum with an antique brass finish, these posts offer a professional look and reliable performance. The screw head height is 1/16 inch, and the screw head diameter is 7/16 inch (including outer edges). Post ends are closed, and screws are threaded halfway for easy installation. Easily accommodate thicker documents or extend the length with compatible screw post extensions. These pre-sized posts and screws streamline the binding process, allowing for quick assembly and effortless document management; providing a reliable and aesthetically pleasing solution for all your binding needs. These posts offer a secure and easily adjustable binding solution, eliminating the need for permanent adhesives. Maintain the flexibility to modify, add, or remove pages as required, making them perfect for frequently updated materials. Designed for repeated use, these aluminum posts offer a long-lasting and cost-effective binding option. Enhance the presentation of your documents with the classic look of antique brass. 【Durable Aluminum Construction】: Crafted from robust aluminum; ensures lasting performance and resistance to wear and tear; ideal for frequent use in bookbinding and document management projects; provides a secure and reliable binding solution. 【Pre-Sized for Convenience】: Each Chicago screw post measures 1/2 inch in length and 3/16 inch in diameter; designed for punched holes 1/4-5/16 inches in size; pre-sized screws feature a 1/16 inch head height and 7/16 inch diameter; simplifies the binding process. 【Versatile Binding Solution】: Perfect for a wide range of applications; including menus, books, manuals, architectural drawings, photo albums, and price books; accommodates varying document thicknesses; offers a professional and polished look. 【Easy to Install & Adjust】: Two-piece construction allows for quick assembly and effortless document updates; screws are threaded halfway for secure fastening; closed post ends ensure a clean and finished appearance; easily add or remove pages as needed. 【Antique Brass Finish】: Provides a classic and elegant aesthetic; complements a variety of document styles; enhances the overall presentation; delivers a sophisticated touch to your binding projects; ideal for professional and personal use.