The ultimate outdoor step. The step surface gives an impressive 35 stone (220kg) maximum user weight, with anti-slip grips to give he best possible slip resistance on the step surface. The height can be adjusted to make the perfect level to step out from your door. The step can be adjusted from 3 1/2 to 4 1/2 inches (9cm to 11cm) and, using the height adaptor (included) from 5 1/2 to 6 1/2 inches (14cm to 15cm) Comes with a floor fixing kit for use with support handles