This premium 19mm rotary key switch offers reliable control and security for your electronic applications. Featuring a robust metal construction with a sleek silver and black finish, this self-locking switch provides stable operation in either 2 or 3 positions. The ergonomic key knob design delivers smooth rotation while maintaining secure position control, making it ideal for automotive, industrial, and specialized equipment applications. Complete with a built-in connector for straightforward installation, this switch combines professional-grade durability with versatile functionality. The precision-engineered locking mechanism ensures consistent performance and prevents unwanted position changes during operation. Whether you're working on a custom control panel or upgrading existing equipment, this rotary switch provides the perfect blend of security and operational flexibility. Each switch includes matching keys and features gold-plated contacts for optimal conductivity and long-term reliability.