The zap work platform offers 4 platform heights from one platform a guard rail and knee bar unfold automatically when opened allowing the user to work safely with two hands free a pair of swung out stabilisers and crosspieces provides stability can be easily moved when open or closed due to a pair of castors the zap folds compactly for storage and transport dimensions closed 2720 x 810 x 390mm open platform height 1300 to 2400 width 810 with stabilisers retracted 2550 with stabili