Package IncludedContains 10pcs red cap covers, sufficient quantity can meet your daily needs and replacement, better protect your nozzles and prolong the service life. Durable MaterialMade of durable plastic material, it is common to most nozzles and has high practicability and good airtightness, which can protect nozzles or screws from rust and increase service life. Parts ProtectorThe universal bleed nipple cap covers can not only prevent the oil drain hole from being blocked by dust or impurities, but also prevent the grease from leaking out. Easy To InstallJust press the cap cover tightly into the bleed nipple or screw, and it can be easily installed by one person without resorting to other professional work. Wide ApplicationIt is suitable for most cars, motorcycles, trucks, oil drain holes, exhaust screws and other accessories, which ensures your driving safety and saves cleaning time. Specification: Material: plastic Color: red Feature: durable, easy to install Size(approx.): M6(D)0.6cm/0.24inch M8(D)0.8cm/0.31inch M10(D)1cm/0.39inch Package Included: 10 PCS x Cap Cover Note: 1.Due to the light and screen difference, the item's color may be slightly different from the pictures. 2.Please allow 1-2 cm differences due to manual measurement.