The Fire Hooks Unlimited Pro-Bar 30 is a specific tool used in the field of firefighting. The Pro-Bar 30 is an extension of the Pro-Bar series, which is known for its quality and durability. It is a versatile tool designed to help firefighters perform various tasks during emergency situations, such as:

1. Forcible Entry: The Pro-Bar 30 is a pry bar used to gain access to buildings or vehicles during fire and rescue operations. It can be used to breach doors, windows, or other obstacles.
2. Ventilation: Firefighters can use the Pro-Bar 30 to create ventilation holes in roofs or walls to release smoke and heat, improving visibility and safety inside the structure.
3. Search and Rescue: It can be used as a tool for searching and moving debris in search and rescue operations during emergencies.
4. General Utility: The Pro-Bar 30 is a multipurpose tool that can be used for a wide range of tasks where prying, digging, or leverage is required.

Fire Hooks Unlimited is a well-known manufacturer of firefighting tools and equipment, and the Pro-Bar 30 is part of their product line designed to assist firefighters in their duties. It's essential for the safety and effectiveness of firefighters during emergency response situations.