Hanwei Sword Oil (Case of 12 Bottles) CAS Hanwei Sword Oil is specially formulated to provide corrosion protection for high-carbon steel blades and other edged weapons. Sold in display packs of 12 x 4 oz. bottles. Contains Petroleum Distillates. Key Features: - Formulated to provide corrosion protection - Contains Petroleum Distillates - 4oz Bottles Specifications: - Overall: 3 lbs“