This hydraulic jack is perfect for trucks, mobile homes, large tractors, farms and construction work. It"s a low profile bottle jack that"ll fit where regular jacks won"t. Made from heat treated steel and hard cast with steel extension screw. Polished cylinders with die-cut threads.FEATURES: Heavy-duty heat treated steel construction; Minimum height of 10.5"; Maximum height of 18.5"; Long, two piece handle saves pumping effort; Large heavy duty hard-cast iron base; Oil bypass system prevents the lifting ram from being over stroked; Overall dimensions: 6"(L) x 7.5"(W) x 12"(H)