Robust composite construction with non-slip surface. Three spring loaded wheels allow step to glide over floor, yet sit down firmly on rubber stops when load is applied. Features & Benefits:Step Heights: 220, 420mm.Base Diameter: Ø440mm.Capacity: 150kg.Robust composite construction with non-slip surface.Three spring loaded wheels allow step to glide over floor, yet sit down firmly on rubber stops when load is applied.Model No. KS2 Specifications: Model No KS2 Base Size: Ø440mm Brand: Sealey Material: Composite Maximum Capacity: 150kg Nett Weight: 3.43kg Step Heights: 220, 420mm Top Step Size: 290mm