... the workers to walk through .Specifications of h frame scaffolding system Model No.Standard LengthLedger LengthThicknessHF19301.9m1. ... .2mm*We can provide you various sizes of frame scaffolding system for you .Our main products are ... scaffolding, cuplock scaffoldings, ringlock scaffoldings, frame scaffoldings, adjustable shoring props, steel formworks, formwork clamps,steel pipes & coupler, adjustable ...