Model HDD – Heavy Duty Dock Door
- Application - Ideal for distribution, commercial, and manufacturing applications
- Reliable and consistent door operation and impact release performance; no guide gap maintenance required
- Suitable for applications up to 10 feet wide and 12 feet high
- In-board spring assembly with 25,000 cycle rating
- Sleek profile with easy installation, reduced clearances, and minimal maintenance
- Manual Chain Hoist, 4.5:1 – fast and easy operation





