Ziotek Professional Hardware Assortment Pack With hundreds of case screws,standoffs, mounting screws, jumpers and washers, you'll find replacements for all those small parts that disappear under the server racks. Brass motherboard standoffs, 24 Chrome steel ATX motherboard standoffs, 12 Screws for CD/floppy drives, 48 Drive mounting screws, hex head, 48 Case screws, standard, hex head, 48 Case screws, round head, 48 Case screws, flat head, 48 Insulated washers, red, 48 Micro mini-jumpers, HDDs, 24 Mini-jumpers, motherboard, 24