Features and Benefits: Industry standard couplers are interchangeable with leading manufacturer's units; Single-speed hydraulic hand pump and ram with 6" stroke.; Snap together design of extension tubes allows for easy assembly. ; Sturdy extension tubes hold up in even the toughest situations.; Automatic overload system on pump protects against damage to equipment.; 1/2-ton hydraulic spreader tool has 2" jaws that spread from 5/8" to 3-3/8".; Includes a sturdy plastic case.; Carries a two-year warranty.;