Height Adjustable for Leveling Trailers parked on uneven ground.
Jacks prevent upending of semi-trailers when disconnected from a truck during loading/unloading. Broad base plate helps prevents the trailer dollies from sinking into soft surfaces. High-strength steel construction. Can be used singularly or in pairs and helps meet OSHA Requirements 1910.178(k) (3).
Standard Jack features a ratchet with an ACME threaded screw to raise and lower the jack. 14″ diameter x ½” thick base plate, 8″ diameter top plate and 8″ semi-pneumatic wheels for portability.