What is ithica roadblocker?

I'm sorry, but as an AI language model, I do not possess the ability to browse the internet and extract real-time information. However, what I can provide is that Ithica Roadblocker is a brand of hydraulic security bollards used for vehicle access control in high-security areas such as government buildings, military facilities, airports, stadiums, etc. These bollards are designed to protect the area from unauthorized vehicle intrusion by providing a formidable barrier that can stop a moving vehicle. Ithica Roadblocker offers a wide range of models, including automatic, semi-automatic, and fixed bollards with varying specifications like crash ratings, lifting capacity, response times, etc.