Jack Boss 5 Ton Screw Jack - 10,000 lb Heavy-Duty Support, Red, Self-Locking Steel with Swivel Saddle

Jack Boss 5 Ton (10,000 lb) Professional Screw Jack is a heavy-duty, adjustable support stand engineered to stabilize vehicles and structural components during repairs, construction, and bridge shimming.

Built from high-strength steel and finished with a lead-free protective coating, this Jack Boss screw jack combines a cast bell-shaped base, corrugated swivel saddle and self-locking screw mechanism to deliver durable, stable support up to 5 tons. Its compact dimensions and carry handle make it practical for workshop use, building projects, and temporary structural stabilization where controlled, reliable vertical support is required.

How much load capacity and range does this jack cover?

The jack supports a rated capacity of 5 tons (10,000 pounds) and offers a practical lifting/support range. It adjusts from a minimum height of 9-1/2 inches to a maximum height of 13-3/8 inches, giving a 3-7/8 inch effective travel for positioning and shimming tasks.

• Capacity: 5 tons (10,000 lb)
• Minimum height: 9-1/2 inches
• Maximum height: 13-3/8 inches
• Saddle diameter: 3-5/16 inches for stable contact

What safety and durability features are included?

This screw jack uses a self-locking threaded shaft so the load stays engaged without slipping when set, and the bell-shaped cast iron base adds lateral stability on uneven surfaces. A lead-free paint finish prevents corrosion and staining, and the corrugated swivel saddle helps reduce lateral movement under load.

• Self-locking screw design for secure holding
• Corrugated 360° swivel saddle for load leveling
• Lead-free painted finish to resist rust
• Heavy bell-shaped base for broad footprint stability

How is the jack meant to be handled and positioned on job sites?

A built-in steel carry handle lets you move the jack easily by hand and set it upright or inverted depending on the support requirement. The compact footprint (base 4-1/2" x 4-1/2") and a net weight of about 9.26 lbs make it simple to transport to automotive bays, construction points or bridge stabilization locations.

• Carry handle for quick transport and placement
• 9.26 lb net weight — manageable by one person
• Base size: 4-1/2" x 4-1/2" for secure seating
• 9/16" handle socket fits standard driver wrenches

What maintenance and warranty support should I expect?

Routine maintenance is minimal: keep threads clean and lightly lubricated, and store the jack dry to preserve the paint finish. Jack Boss backs this product with a limited 1-year manufacturer warranty and customer support for questions or replacement concerns.

• Light lubrication of threads recommended
• Store indoors to protect finish and prevent rust
• Limited 1-year manufacturer warranty included
• Customer support available for product questions

Who is this for: The Jack Boss 5 Ton Professional Screw Jack is aimed at mechanics, contractors, bridge repair crews and serious DIYers who need a compact, high-capacity support stand for vehicle underbody work, shimming structural elements or temporary stabilization tasks. If you require dependable vertical support with a small footprint and straightforward operation, this jack offers a practical, rugged solution.