1UP Racing 4mm Serrated Aluminum Locknuts offer enthusiasts a high quality serrated nut option in a variety of color choices. Package includes four locknuts.

Features:

• M4 x .7mm Threads
• CNC Machined Aluminum
• High Gloss Anodized Finish
• 7mm Hex
• 9.4mm OD Flange
• Knurled for Extra Security