Sufficient quantity: you will get 60 pieces of brake bleeder screw caps in one package, sufficient quantity to meet your use and replacement, good supplies for cars and motorcycles; The caps are in black color Size details: each rubber dust cover size is approx. 1.2 cm/ 0.5 inch in outer diameter, 0.6 cm/ 0.24 inch in inner diameter, fit for most bleeder screw applications on cars and motorcycles, please check the bleeder screw size carefully before placing your order Durable material: the brake bleeder dust caps are made of quality rubber material, which has good softness and durability, firm to use and has good sealing, helpful to prevent the metal grease fitting away from erosion and rust, serve for a long time use Main function: the rubber dust covers work well at keeping bleed screws and grease fittings away from dirt and moisture, designed with inner rib for better fixing and securely fastened, must-have items for car Compact for storage: the package comes with a small box for convenient carry and no worry about losing, lightweight and portable, would not take up too much space, bring you convenience when you need to replace the brake bleeder screw caps