OTC 1515B Stinger 10 Ton Collision Repair Set Industry standard couplers are interchangeable with leading manufacturer’s units. 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 with wheels for ease of mobility. Carries a two-year warranty.