Helpful for anyone who finds steps difficult, the Derby Half Step is designed for outdoor use and halves the door step rise for those with limited mobility. The large platform allows you to be steady before attempting the next step. The step is made from tough heavy duty plastic and is supplied complete with a slip resistant rubber mat. The four feet are fully adjustable to ensure level use. 700 x 400 x 110mm (27.5 x 16 x 4.5").