Ideal for the tradesperson or contractors requiring a Step Extension ladder that is highly versatile and easily converts from a stepladder to an extension ladder. Punchlock® tread design and deep fascia top caps increase torsional rigidity of the overall ladder frames. Industrial Duty Rated. Designed for use on industrial work sites. 150kg Load Rating. Strong, fibreglass construction. Electro – Safe™. Highly versatile and easily converts from a stepladder to an extension ladder. Rear leg extends in 300mm increments. Strong and safe extended ladder position ensured by heavy duty locking hinges and a full step overlapping construction. Anti-slip rubber “Boots” for added safety, stability and protection of the stiles. ‘V’ rung as standard for pole work.