Zone Tech describes these as lightweight but durable, capable of supporting 11,000 per axle. The surface provides an anti-slip surface, and the ramps have a solid base to prevent them from sinking into sand or soft ground. The graduated ramp provides three different levels up to 5 in. hig...
The simplest stabilizers are screw jacks. The base of the jack sits on the ground, positioned under the frame of a camper, usually near the rear corners. Using a handle attached to the screw, turn the jacking assembly up or down by turning the threaded screw post. The advantage of screw ...