Gorilla Automotive 21681BC-12 Spline Drive Acorn Lug Nut Lock Set Black - 1/2-Inch

The Gorilla Automotive 21681BC-12 is a premium spline drive acorn lug nut lock set designed to protect your wheels from theft. This security lock set features a 1/2-inch thread size and comes in a sleek black chrome finish that complements aftermarket and custom wheels.

Key Features:

• Spline drive design requires a unique key tool for installation and removal, providing superior theft protection
• Acorn (conical) seat style fits most aftermarket wheels with a 60-degree tapered seat
• 1/2-inch thread size (M12 x 1.50 thread pitch) fits most domestic and import vehicles
• Black chrome finish provides corrosion resistance and a custom appearance
• Set includes 4 lock nuts and one unique key tool
• Heat-treated steel construction for strength and durability

Gorilla Automotive lug nut locks are engineered to provide both security and style, protecting your valuable wheel investment while maintaining a clean, professional look. The spline drive system offers more contact points than traditional hex locks, reducing the risk of key wear and ensuring reliable removal.