Package includes: You will receive 4 installation accessories, including 1 single-hole horseshoe plate, 1 horseshoe gasket, 1 rubber ring, and 1 12mm hex wrench. Material: The faucet installation kit is made of stainless steel, which is durable, high-strength, and not easy to rust. The rubber ring is flexible and not easy to break. Locking nut: The installation kit adopts a single-bottom design, which is stable enough compatible with hot and cold faucets. It mainly fixes the faucet and can be directly inserted into the faucet pipe and tightened with screws to fix the hole position. It is precise and easy to install. Easy to use: The faucet mounting screws are cross-shaped, easy to install without professional tools. Simple operation, easy to tighten the screws, which can help you save time and energy and prevent accidental leaks. Wide Application: This mounting accessory is suitable compatible with hot and cold faucets in kitchens, bathrooms, laundry rooms, hotels, restaurants and other faucet pipes, compatible with most leaking kitchen faucets or bathroom sink problems.