extension ladder :It can be a work platform,a trestle ladder,a single extension ladder or a free standing step ladder. extension ladder : HOT SALES !multi-purpose ladder 2 Thickness: 1.3mm 3 Max laod: 150kg 4 High quality with Competitive pricemulti-purpose ladder aluminium ladder 4*3 steps multi-functional ladder Certificate: EN131/CE AS/NZS/SGS GS/TUVwide base for extra stability compact down: ...