Individual Ready Icons
You can buy individual icons to suit your needs. Each icon is $5 when purchased individually.
Icon Usage Agreement

To make your database project's interface as intuitive as possible, use
Database Icons pack for it. The set contains icons in a variety of sizes, formats and color schemes to allow maximal compatibility.
Hardware Icon set contains images for all the possible portable devices and hardware objects. The icons are provided in four file formats, such as BMP, GIF, PNG and ICO to ensure maximum compatibility.
Database Toolbar Icons are the best images you can find for designing user interface of your new database related application. All the typical toolbar sizes and common file formats are provided.

All the graphics you need to design a toolbar of your database management software are presented in the
Perfect Database Icons set. The images are provided in three states, including normal, highlighted and disabled.
Perfect Security Icons present images of Key, Virus, Lock, Shield and many other security-related objects. The icons are available in four file formats and are compatible with any operating system.