A screw jack consists of a heavy-duty vertical screw with a load table mounted on its top, which screws into a threaded hole in a stationary support frame with a wide base resting on the ground. A rotating collar on the head of the screw has holes into which the handle, a metal bar, fits.
PRODUCT SPECIFICATION
BRAND : IWAH
PRODUCT : SCREW JACK
CAPACITY : 3.2 TO 200 TON