Check the listing for details. 1/4" 6mm #4 Mini Chicago Screws & Post w/ Flat Head, Black Brass Craft, 5 Sets. Condition: New. Listed at 6.65 USD. 1/4" Chicago Screw & PosteBay Store: USBindUniversal! For use in binding, repair, leather goods, hand made products, etc...This listing is for 5 Chicago Screws and 5 Chicago Posts with flat solid head.Screw Shank Length: 3/16" (4.7mm)Post Length: ¼” (6.3mm) 4-40 Thread (#4)Finish: Black Oxide Over Solid Brass, machined from Solid BrassGenuinely Made in California, USA Multiple shipping speeds available.$AVE ON SHIPPING!Discounts on shipping when you shop our store, add items to cart and checkout at once!Free shipping on orders over $40.00! Applies to U.S. shipments only.We ship Worldwide!Contact us for discounted pricing on quantities of 50 or more. Visit our store for more finishes and sizes. If a size or quantity you seek is not listed or have questions, comments, concerns or requests, please contact us.Thanks for looking!