Trailer Stabilizing Ratchet Jack w/ 50,000-lbs Lifting Capacity

Uniform Static Capacity (lbs.): 100000, Uniform Lifting Capacity (lbs.): 50,000, Service Range Minimum (in.): 39, Service Range Max (in.): 51, Wheel Size (in.): 10, Wheel Type: Hard Rubber, Top Cap Diameter (in.): 8 – The Trailer Stabilizing Jack is used to prevent up–ending semi–trailers when they are not connected to a tractor during loading and unloading operations. It is also used to level trailers parked on sloped ground and to prevent landing gear from sinking into a soft surface. It's made of high strength steel construction with a flush–type zerk fitting for lubricating ACME screw. Meets OSHA regulations when used with wheel chocks. Contains a powder coat safety yellow finish that includes a reflective collar for visibility at night.