6x3 small joint multi-purpose ladder: EN131 certificate, 1.2mm thickness, strong quality, competitive price. multi-purpose ladder ModelTP-103Bstep18Rungs distance29cmExtension length550cmMax load150kgsThickness1.2mmN.W.17.8kgs20/40/40HQ160/332/374pcs.Don't hesitate! Write to me, you will get a reliable supplier! multi-purpose ladder TP-103B