Vestil Trailer Stabilizing Jacks are designed to prevent the up-ending of semi-trailers when not connected to a tractor when being loaded/unloaded, particularly when left at loading docks or on trailers that are parked on sloping ground or to prevent landing gear from sinking in to soft ground. Flush-type zerk fitting for lubricating ACME screw. Meets OSHA regulations when used with wheel chocks. Yellow powder coat finish for added toughness. Includes reflective collar for visibility at night. **The color of handles included with models may vary between red and black.**
