• 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