The Ignition Switch 7y-3918 is specifically designed for E200b, E312, E323b, and E320b excavators with keys. This high-quality product boasts a plastic and metal construction, ensuring durability and safety, especially in harsh working environments. It's a must-have for excavators with keys, providing a safe start control and replacing the original ignition switch. The Ignition Switch 7y-3918's unique design offers easy installation, no need for any additional tools, making it an excellent value for your money. So, if you're looking for a reliable and efficient ignition switch for your excavators with keys, look no further than the Ignition Switch 7y-3918. Invest in the future of your equipment with this high-quality product.