The 12-tread Sealey Industrial Aluminium Step Ladder is the largest model in the range, providing maximum working height for the most demanding elevated access requirements. Perfect for high-ceiling warehouses, industrial maintenance, and large-scale construction projects, this professional platform step delivers exceptional reach whilst maintaining robust stability. Manufactured to BS EN 131 standards, this premium model features double riveted extra-large non-slip treads and a high grip chequer plate platform for secure footing at considerable heights. The rigid box section aluminium frame incorporates a heavy-duty cross brace for superior strength, ensuring confidence even at full extension. Despite its height, the design allows plenty of leg room for safe standing, complemented by a high safety rail. Non-slip feet provide reliable grip on both indoor and outdoor surfaces. Features and Benefits:12-tread configuration for maximum working heightBS EN 131 certified professional p