OTC 1515B 10-Ton Stinger® Hydraulic Collision Repair Set - Industry standard couplers are interchangeable with leading manufacturer's units. Single-speed hydraulic hand pump and ram with 6" strokeSnap 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.