Product Highlights: Anti Theft with unique 316 stainless steel keyed tool 316 stainless steel Rust proof Universal fitment for all M10 size screws Anti- Theft Lock Nuts are desgined to protect your vehicles lighting and accessories from potential theft Each pack contains 316 stainless steel lock nuts and a high strength 316 steel keyed tool These anti-theft lock nuts are desgined for universal fitment for a wide range of lighting applications including driving lights, LED light bars, and work lamps with different thread sizes