Rectangle shape and with 3mm diameter shaft and 2 terminal connectors.Great replacement for the rusty or d DC geared motor on the machine.Widely used on shutter, Pan/ Tilt camera, Slot machine, Money detector, Coin refund devices, Currency count machine, Towel dispensers,matic doors, Peritoneal machine,matic TV rack,Office equipment, Household appliances,matic actuator, Coffee machine, Towel disposal, Lighting, Coin refund devices etc.