"The Vestil Stabilizing Trailer Jack features a quick spin top design with 8in. diameter top cap. Rolls on two 10in. semi-pneumatic wheels. U.S.A. Lift Capacity To Full Height lbs. 40,000, Color Yellow, Application To prevent semi-trailers from upending, Includes 1 Spin top jack, Material Type Steel w/powder-coat, Static Load Capacity lbs. 100,000, Height Range in. 39 1/2 to 51 1/4, Wheel Type 10-in. hard rubber. Perfect for preventing the up-ending of semi-trailers when they are not connected to a tractor during loading and unloading operations Also ideal for use leveling trailers parked on sloped ground and to prevent landing gear from sinking into a soft surface Includes flush-type zerk fitting for easy lubrication of ACME screw Meets OSHA regulations when used with wheel chocks Includes reflective collar for visibility at night"
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