• Professional contractor quality mechanical screw jack for all-purpose lifts and supports
• Holds loads indefinitely – will not creep
• Heavy-duty bell shaped cast base adds stability
• Head pivots to provide maximum contact
• Corrugated steel swivel head turns easily under load
• Acme type thread
• Easy to carry and position with built-in handle
• Turning bar (handles) sold separately
• Compliance: ANSI / ASME B30.1 standards
• Ideal for construction, structural moving, supporting machinery, automotive, trucks, industrial, agriculture and general maintenance