Extended size: 1.03m (open height) Fibreglass Ladder | Fib4 4 Steps Tool Tray Non Condutive Rubber Feet Max Load: 150kg 30,000 v insulation Safeline 4 Step Fibreglass Ladder | Fib4 Lightweight yet robust platform stepladder designed for electricians, tradesmen and maintenance staff to provide safe working conditions when working at height with electrical equipment. It offers insulation to 30,000 volts to protect users against shocks. The frame is made of non-conductive glass fibre with grooved aluminium treads and platform to give good grip underfoot.