The Gorilla Silverback 4-6 Step Adjustable Platform Ladder is a highly versatile and durable ladder, providing a safe working platform at various heights with a heavy duty aluminium construction. This ladder features a large platform with anti-slip checker plate grip, and a quick slide and lock system. This allows you to adjust the platform heights at 1.12m (4 steps), 1.4m(5 steps), and 1.68m (6 steps) in seconds.