Guardian Fall Protection 11054 Diablo Double Self Retracting Lifeline Kit with Steel Rebar Hooks and Ring of Fire with Dual Lock Twist Release Bracket, 6-Feet Extremely lightweight Class A Self Retracting Lifeline Reduced fall distance over lanyards for improved safety Quick action braking will arrest a fall in seconds.Meets and exceeds all OSHA and ANSI Standards Maximum Work Load : 310 lbs.