Heavy Duty Jack Stands 4000 Lb Capacity Stabilizing Stand Trailer Jack Stand 20 Ton Trailer Stabilizing Stand NORCO #81022B Made in USA - USA Tool... 16 oz., Thermofelt. Light duty welding, light sparks, and spatter. Non-flamable, non-melting, non-shrinking, scratch free A diamond plate pattern saddle grips the load easily, and an easy-turn spin handle coupled with a 1.5 diameter adjustment screw makes stabilizing any trailer a breeze. Easy-turn spin handle 1.5in. diameter adjustment screw Sunex's 20-ton capacity trailer stabilizing stand lift capacity ranges from 39 to 50.5. Underhoist Stands & Engine Hoist | Best Buy Auto Equipment