3 layers combination aluminum ladder, free standing multifunction extension

1,Number of rungs:3foldsx12steps,
2,Total  steps:36 STEPs;
3,Space between two rungs: 280mm      
4,Load capacity (kg):150kg
5,Aluminum mode:6063
6,Thickness of Aluminum:1.2-1.5mm
7,PCS / Carton :1pcs
8,Packing:shrink krap with color cover 
9,Packing Size:3250*470*150mm               
10,N.W./ PC(kg):16.1kg
     G.W./ PC(kg):16.3kg
     PCS / 20 GP:130pcs

     PCS / 40 HQ:300pcs