Wheels with rubber tyre and steel flanges or thermoplastic material centre,avaiable also with no marking grey rubber and with special rubber tyres antistatic,oil proof, super elastic and two-component mix.Wheels with black elastic rubber tyre and aluminium centre or polyamide 6 centre,avaiable also with grey no-marking rubber and blue cut resistant rubber.Wheels with mechanical cast iron centre or electrowelded steel centre. These wheels are avaiable in a range of diameters between mm 80 and mm 450 and combined with the various types of medium , heavy , extra heavy duty castors allow to load capacities between kg 50 and kg 5250.