This retractable belt barrier with durable ABS protective case mounts directly to the wall or fastens to posts with various mounting styles.Belt (M) When barriers are needed the WMXLine 160's extra long belts extend 20 feet, 25 feet, 30 feet, or 35 feet and minimize the number of barriers needed. This keeps floors clear of trip and fall hazards and achieves space efficient safety or crowd control barriers. Retractable Belt Barrier Black Clamped Mount, 25ft.