Manufactured from Marine Grade AISI 316 Stainless Steel these high quality steps will last in the harsh marine environment. Beautiful Mirror Polished Finish. Designed for hull mounting and foldable for storage in a cleverly designed concealed letter box style case. Available in either 3 or 4 steps with anti-skid covering. The telescopic design allows the ladder to be lowered into the water as required for swimmers to get back onboard safely.