Abstract: A safety jack, comprising a gear housing having a base wall connected to a rear wall, the base wall having a hole formed therein and the rear wall including an opening. A leg housing, formed from a hollow tube of rectangular cross section, has a connecting end and an open end, the connecting end being bonded to the base wall of the gear housing in co-axial alignment with the hole formed in the base wall of the gear housing. The leg housing accommodates a support leg that is free to slide in and out of the leg housing. The support leg is a hollow tube of rectangular cross section having an upper end and a lower end with a ball nut bonded inside the upper end of the support leg. There is a stabilizing foot attached to the lower end of the support leg and the ball nut has internal threads.