Mandark 18PCS Car Brake Bleeder Screw Caps, Rubber Auto Grease Fitting Dust Zerk Covers, Waterproof Vehicle Brake Bleeder Nipple Caplier Accessories, Universal for Bicycle, Car, Motorcycle（Style B）

【High Quality Material】: The car brake bleeder screw cap is made of high quality rubber, very soft and flexible, so it is not easy to deform and not easy to tear. In addition, it is wear-resistant and high temperature-resistant, which can be practical in complex conditions, and it has a good sealing, which helps to prevent corrosion, and can be used for a long time.. 【Practical Function】: The car brake bleeder screw cap protects the bleeder screw from external physical damage, such as damage caused by impact, and also helps to prevent dust and dirt from getting in, slowing down the deterioration of the screw due to environmental factors (e.g., corrosion), and prolonging its service life.. 【Wide Application】: The car brake bleeder screw cap applies to a very wide range of atmosphere, most of the models on the market can be used, such as small cars, bread eat, motorcycles, etc., used to replace the brake bleeder nut. Note: Before purchasing, please check whether the product size matches to make sure it fits. Moreover, it is lightweight and portable, won't take up too much space, bringing you convenience when replacing brake bleeder nut.. 【Essential】: The rubber car brake bleeder screw cap fits snugly over the bleeder screw, which creates a certain sealing effect and prevents brake fluid from leaking due to the screw being loose or not fully tightened. Brake fluid is the transmission medium in the hydraulic system, and once it leaks it will not only reduce the braking effect, but may also cause corrosion to the components around the vehicle.. 【Easy to Install】: This brake bleeder cap is easy to install, ready to use, without the use of any tools. It can be installed directly on the bleeder screw, and then it can be firmly fixed without worrying about falling off. It then works to protect the surface of the nut and reduce the frequency of thread wear.