Check the listing for details. Aluminum Screw Posts Binding Charles Leonard Inc. Lot Of 3 Boxes. Color: Silver, Condition: New – Open box, Made in United States. Listed at 19.99 USD. The product is a lot of 3 boxes of aluminum screw posts binding by Charles Leonard Inc. These binder post screws are made of silver aluminum with a 8-32 thread size. They are manufactured in the United States and are ideal for use in office supplies for filing and storage. The screws provide a secure and durable binding solution for various documents and materials. You get the 3 boxes just as pictured. Fast shippingThe product is a lot of 3 boxes of aluminum screw posts binding by Charles Leonard Inc. These binder post screws are made of silver aluminum with a 8-32 thread size. They are manufactured in the United States and are ideal for use in office supplies for filing and storage. The screws provide a secure and durable binding solution for various documents and materials. You get the 3 boxes just as pictured. Fast shipping