Feature：1. Durable Nitrile Rubber for Superior Protection: Constructed from oil-resistant, chemical-proof nitrile rubber, these plugs offer enhanced elasticity, tear resistance, and outperform standard plugs, effectively blocking dirt, water, and road debris to extend wheel bearing life.
2. Universal Fit & Performance Enhancement: Designed to fit most 1.98", 2.44", and 2.72" trailer axle caps, these plugs ensure proper grease retention, leading to smoother towing and reduced maintenance, while offering the convenience of being essential spare parts.
specification：Material: Nitrile rubber.
Color: Black.
Note:
1. Please allow slight error due to manual measurement. Thanks for your understanding.
2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.