An interesting product, a form of linear actuator available in three overall engths of 30, 40 & 50mm. This product is the 50mm long version.
The usable length of the lead screw is 40mm and is 2mm diameter. Base plate width is 13mm wide.
The motor is a 2-phase 4-wire stepper witha step angle of 18 degrees. Motor voltage is 3-5V, winding resistance 20 to 30R.