Peakworks V82235 Fall Protection TankTrolley is designed for use on water, grain and fuel storage tanks. Mobile steel anchorage connector with two roller bearings and forged O-ring for attachment. A vertical connection bar provides a convenient anchorage connection for fall protection equipment. Maximum arresting force must be limited to 1800 pounds or less. Use only approved fall protection equipment. Materials of construction: plain carbon steel frame, stainless steel hardware. Minimum load requirment for riding surface is 3600 pounds with certification, 5000 pounds without certification. Meets OSHA 1910.66 Appendix C, OSHA 1926 Subpart M, and ANSI Z359.1-2007.