30 Amp Extension Cord

[Wanderer]

Looking for opinions and most of all for overall safety and functionality. Thinking of purchasing the below to extend from my shore cord to reach my Honda generator? I know I can get the 30amp extension and add the adapter, this appears to do the same, just not stating RV specific use

http://www.amazon.com/Conntek-Outdoo...ct_top?ie=UTF8

Thanks in advance for your input, comments or concerns