MOB Outillage Extender Telescoping Aluminum Ladder, Telescopic 17 Feet Reach Height Extension The Extender Telescoping Extension Ladder outperforms any other telescopic ladder More Efficient: Reach height 17 feet (perfect for professionals) and closes to just 42 inches More Stable: Optimum Heavy Duty strength and rigidity thanks to its rectangular profile More Secure: Hand free - foot controlled mechanism to close ladder in less than 5 seconds Anti-pinching fingers feature that prevents your fingers from getting hurt when closing