Features: • Hydraulic system is protected from internal damage by a patented by-pass mechanism. • Machined and polished cylinders with die-cut threads provide non-abrasive leak-free, durable performance. • Fabricated from hard-cast steel with heat-treated critical stress areas. • Serrated heat-treated saddle provides generous lifting area and secure grip. • Heat-treated extension screw allows low pick-up height adjustment and maximum lift height. • U.S. patented built-in by-pass device protects hydraulic system from overpumping damage. • Unique cross-type forged release valve assures positive control. • A wide, rugged base provides stability and strength. • Critical stress points are reinforced in all models for added durability and dependability. • Economically priced for maximum value