WD-40® Brand on X: "Use WD-40 Specialist® Rust Remover Soak to quickly dissolve rust from tools, metal, cast iron, and more with a formula that does not use acids or caustic chemicals.
WD-40 12 oz. Original WD-40 Formula, Multi-Purpose Lubricant Spray with Smart Straw (2-Pack) 49005 - The Home Depot
WD 40 491028: WD-40 SPECIALIST, rust remover, 250 ml at reichelt elektronik
WD-40 Specialist Rust Remover Soak, 1 Gallon Jug - Modern Bike