- Installs onto 3 in. to 8 in. wide I-beam flange (7.6-20.3cm) up to 11/16" thick (1.7cm).
- Complete hands-free horizontal mobility
- Ideal for use with self retracting lifeline
- Easy to use dual adjustment dials
- High strength steel construction
- Extremely rugged and corrosion resistant
- Rotating D-ring tie-off point is fixed in center
- Double-shielded wheel bearings
- Built-in guards protect wheels