The reinforced auto locking hinge enables the user to configure the 3 tread pal for multiple tasks a workbench mini scaffold a frame step extension ladder and an extension ladder with stand off the tough black anodised armour finish protects the ladder against oxidisation allowing your hands to remain clean not oily like some other ladders closed height m 1 open height m 175 rungstreads 12 sections 1 material aluminium usage type heavy duty warranty lifetime limited standa