▁has ▁three ▁height s ▁in ▁one ▁lad der . ▁ ▁The ▁lad der ▁can ▁achieve ▁as ▁many ▁as ▁ 2 4 ▁position / height ▁permut ations . ▁ ▁The ▁lad der ▁fol ds ▁to ▁a ▁smaller ▁size ▁for ▁storage . ▁The ▁lad der ▁also ▁has ▁" tip - n - g lide " ▁whe els ▁to ▁facil itate ▁movement ▁and ▁position ing . ▁ ▁The ▁Lad der ▁features ▁fla red ▁legs ▁for ▁increased ▁stability . ▁ ▁Lock ing , ▁teles cop ing ▁side ▁rails ▁allow ▁the ▁various ▁height ▁configurations . ▁ ▁Tra pe zo idal ▁r ungs ▁create ▁a ▁stable ▁standing ▁surface . ▁They ▁are ▁attached ▁using ▁" double ▁z ig - z ag " ▁w eld s . ▁ ▁Mod els ▁ ▁Little ▁Gi ants ▁ ▁Type ▁I ▁Indust rial ▁heavy ▁duty ▁ 2 5 0   l bs ▁r ated ▁Av ailable ▁in ▁Model ▁ 1 7 ▁and ▁Model ▁ 2 2 ▁ ▁Type ▁I A ▁Indust rial ▁extra ▁heavy ▁duty ▁ 3 0 0   l bs ▁r ated ▁Av ailable ▁in ▁Model ▁ 1 3 , ▁Model ▁ 1 7 , ▁Model ▁ 2 2 ▁and ▁Model ▁ 2 6 ▁ ▁Type ▁I AA ▁Indust rial ▁special ▁duty ▁ 3 7 5   l bs ▁r ated ▁Av ailable ▁in ▁Model ▁ 1 3 , ▁Model ▁ 1 7 ▁and ▁Model ▁ 2 2 ▁ ▁Ult ra ▁Step ▁Indust rial ▁extra ▁heavy ▁duty ▁ 3 0 0   l bs ▁r ated ▁Av ailable ▁in ▁both ▁al umin ium