Metal 4mm M4 Wheel Lock Nuts designed for 1/10 RC Car HSP Redcat Traxxas Tamiya Hpi Rc4wd Axial. Made of high-grade material, this replacement is the best option for you. Feature: Suitable for 1/10 RC Car HSP Redcat Traxxas Tamiya Hpi Rc4wd Axial. M4 Wheel Lock Nuts made of high-quality metal, high strength, corrosion resistance and durable. Hole Diameter: 4mm; Thickness: 6mm. The base of Serrated threads is clean and smooth. Increased strength and precision. Package includes 12 pcs 4mm M4 Wheel Lock Nuts. 2 colors to choose from. Specification: Item name: M4 Wheel Lock Nuts Color: Sliver/ Black (optional) Material: Metal Quantity: 12 Pcs Bottom Diameter: 10mm Thickness: 6mm Package size: 1071cm Package weight: 19g Package List: 12 pcs 4mm M4 Wheel Lock Nuts Note: There could be a few deviations due to manual measurement or slightly color difference as the result of the shooting scene. Thank you for your understanding.