Trailer stabilizing jacks are used to prevent up-ending semi-trailers when they are not connected to a tractor during loading and unloading operations. Also used to prevent landing gear from sinking into a soft surface. Flush-type Zerk fitting for lubricating ACME screw. Powder coat safety yellow finish.
Features:- High strength steel construction offers long lasting rugged use
- Reflective collar increases visibility at night
- Unique design levels trailers parked on sloped ground
- Meets OSHA regulations when used with wheel chocks