This is a ladder design with telescopic stile extension. This internationally approved design has many advantages

...as a step ladder the WAKU Telescopic Ladder is adjustable rung by rung to almost double its height, and, safely locked by four strong spring bolts. Therefore one ladder substitutes a completet range of step ladders of different heights. According to the type of work the user can always adjust the ladder to the most convienient height. For transport the ladder is small and must onle be extended to the required length when in use.

...as a staircase ladder the inner ladder can be telescoped upwards so that the height of each leg of the ladder is adjustable. It is this facility which makes it useful on uneven ground like a slope or even on staircases. tHis feature is particularly appreciated by people working on staircases.

...as sliding extension ladder the WAKU Telescopic Ladder has an automatic safety hinge. By simply adjusting this particular hinge the step ladder can be opened up in a straight lean-to-ladder. This lean-to-ladder can be extended rung by rung to almost four times its original transport size.

...as a pair of trestles you only need one WAKU Telescopic Ladder. Inner and outer ladder can be easily taken apart. The two outer parts are hinged together using the same spring bolts as for the height adjustment. Now two trestles are available and a board can bu put in between on any rung forming scaffold trestles of the required length and height.