This uncut key blank is designed for use with Mercury Mariner vehicles. It is a high-quality product that is ideal for locksmiths and key cutting professionals. This blank is compatible with the CU8 key model, allowing you to easily and accurately cut a new key for your Mercury Mariner. It is made from durable materials that are resistant to wear and tear, ensuring a long-lasting and reliable performance. With this key blank, you can quickly and easily make a new key for your Mercury Mariner without any hassle or delay.