These new, factory-fresh (not surplus!) motors are comparable in performance and quality to the originals. The only major difference is the lack of a steel sleeve on the 1mm diameter output shaft. Don't worry - if you need a 1.5mm diameter shaft, we've found that 18 gauge wire insulation slips on and makes a very suitable bushing!

It measures in at 7.05mm (0.277") diameter, 16.54mm (0.651") body length, and 21.7mm (0.854") overall length, with the shaft diameter of 1.01mm(0.039").

1.5V gives 17.5mA free draw current (120mA stall) at 9700RPM.
3V gives 22mA free (260mA stall) at 18,420RPM.
5V operation give 32.1mA free (420 stall) at 31900RPM!