The Gorilla Silverback 3-4 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 from 0.84m (3 steps) to 1.12m (4 step) in seconds.