The major gain of worm gears is their capacity to give high reduction ratios and correspondingly large torque multipliers. They can also be utilised as reducers for lower to medium speed purposes. Also, since their reduction ratio is based on the variety of teeth on the gear, they are far more compact than other kinds of gears. Like fine pitch leadscrews, worm gears are typically self-locking, making them ideal for hoisting and hoisting apps.