These small rubber castors are swivel castors with 50mm grey rubber wheel, overall height 72mm, load capacity 60kgs each, 4 x M6 Bolt Plate Fitting, easily attached to your equipment, and easy to move. Ideal small 2 rubber castors for furniture, or use these rubber castors for shop displays and equipment. In stock for SAMEDAY DISPATCH, these 50mm rubber castors are ideal for your application. 50mm Light Duty Swivel Castors Grey Rubber Wheel