The Rolodex Open Rotary Card File is a classic style rotary file that can hold up to 250 1 3/4 x 3 1/4 cards. Made of durable metal, this standard binder features a sleek black color and comes with an UltronUSB cable, SATA cable, and mounting kit for easy organization and access to your cards. Perfect for business and office use, this Rolodex card file is a reliable and efficient way to store and manage your important information.B9