Gorilla Automotive 21681BC-13 Spline Drive Acorn Lug Nut Lock Set Black - 1/2-Inch

The Gorilla Automotive 21681BC-13 is a spline drive acorn lug nut lock set designed to provide theft protection for your wheels. This security set features a 1/2-inch thread size and comes in a black chrome finish that resists rust and corrosion while maintaining a sleek appearance.

Key Features:

• Spline drive design requires special key tool for installation and removal, deterring wheel theft
• Acorn seat style fits most aftermarket and OEM wheels with conical lug seats
• 1/2-inch thread diameter for compatible applications
• Black chrome finish provides corrosion resistance and matches black wheels
• Includes unique key pattern for security
• Bulk packaging for professional installers and shops

Each set includes four locking lug nuts and the corresponding spline drive key tool. The spline drive system uses a unique pattern that requires the included key for installation and removal, making it extremely difficult for thieves to remove your wheels without the proper tool.