The 5840-31ZY Worm Gear Self-locking Motor is a reversible DC motor with a metal enclosure. It operates with a base RPM range of 7 to 470 and is available in 12V and 24V models. This motor features a double long shaft with a diameter of 8mm, designed for industrial automation and motion control applications. It is a Worm Gear Brushed DC Motor made in China.