Lightweight roof ladder combining the strength of a trade ladder with a heavy duty ridge hook. Rubber-covered bearer bars for even weight distribution. Closed to Max. Open Height: 3.44 - 5.64m Max. Static Vertical Load: 150kg Professional Use Non-Slip Rungs Round Rungs Heavy Duty Wheels 1 Year Guarantee Box Section Stiles Safety Catches Closed to Max. Open Height: 3.44 - 5.64m Max. Static Vertical Load: 150kg Professional Use Non-Slip Rungs Round Rungs Heavy Duty Wheels 1 Year Guarantee Box Section Stiles Safety Catches