The is a virtual CD-ROM image containing the installation binaries for various operating systems. VMware distributes Tools as an ISO for several pragmatic reasons:
For Red Hat/CentOS:
Extensive hi-tech 3d structural reinforcement resulting in solid yet lightweight airframe thanks to additive 3Dprinting technology
Each plane has been thoroughly tested to find ideal shape and best possible inner structure
Choose your aircraft, download 3d files and print as many you need. Using your desktop 3Dprinter