Sealey 125mm Castor Wheel with Bolt Hole Features: Heavy-duty swivel castor. Nylon wheel with cast aluminium core. Technical Details: • Heavy-duty swivel castor. • Nylon wheel with cast aluminium core. • Load Capacity: 230kg. • Tread Width: 38mm. • Model No. SCW4125SBEM • Model No. SCW4125SBEM Additional Information: • Heavy-duty swivel castor. • Nylon wheel with cast aluminium core. • Load Capacity: 230kg. • Tread Width: 38mm.