• These heavy-duty black plugs snap securely into 5/8-inch (16mm) holes with a 13/16-inch (20mm) head for complete coverage and a flush finish
• Made from industrial-grade plastic, they resist cracking and feature smooth edges to protect wires while blending seamlessly with surfaces
• Installs in seconds - just press until you hear the click for a permanent, tool-free hold that won't shake loose
• Get professional-grade value with heavy-duty plugs that store conveniently in any toolbox