Medium Duty Pressed Steel Castors having double ball bearing in Swivel head with thick threaded King Pin to avoid dust. Fitting available in Plate , Stem ( Round/ Square) in Chrome Plated/Powder Coated /Zinc Plating. Available in Various sizes / Type : Fix / Swivel & Swivel with Brake. Swivel with Brake manufactured as Front Lock ( ON/OFF). Castors having Iron Bush or double sealed ball bearings .