Abundant amount: the package includes 40 pieces of brake bleeder rubber caps, adequate amount prepared for you to meet daily demand and replacement, practical supplies for cars and motorcycles; The caps are all in black colorReliable material: brake bleeder dust caps are made of quality rubber material, delivering good softness and durability, firm to use and containing a good sealing, helpful to prevent metal grease fitting away from erosion and rust, providing a long time useKey function: grease fitting caps perform well to keep bleed screws and grease fittings away from dirt and moisture, they are designed with inner rib for better fixing and securely fastened, serving as necessary accessories for carEasy to store: there is a small box provided for you to conveniently carry and avoid losing, lightweight and portable, taking up a little space, offering you convenience when you need to replace the brake bleeder screw caps