This telescoping boarding ladder is made out of V4A stainless steel and is naturally resistant against seewater and ultraviolet radiation.It is able to stand in an 90° angle.The steps are gummed so there is a safe stand even at bad weather conditions. Because of it is a telescoping ladder it is easy to tuck. measurements:total length:114cm retracted length:44cm width:30cm difference from step to step:28cm width of the steps:40mm diameter of the pipes:38mm distance from the middle of the pipe-middle of the pipe:255mm 2 drillings to stick the ladder (diameter 8,5mm) base plate :21x5cm(lengthxwidth)