Would you like your Polymer shelving to be mobile? Well look no further with these sets of castors you have just ticked the box. Available in 3 different size diameters with the larger wheels allowing for heavier weight load you have the choice to purchase the best size castor to suit your application. Please note that these castors are factory fitted so must be ordered at the same time as the polymer shelving. Packs of 4 castors - 2 swivel and 2 swivel castors with brakes 75mm diameter castors have a 210kg load capacity 100mm diameter castors have a 240kg load capacity 120mm diameter castors have a 300kg load capacity Transforms your Polymer shelving into a mobile unit Factory fitted - must be purchased at the same time as shelving