Old Sumner Part Number
781335
Old B&B Part Number
4000-BASE
The B&B SUMNER Lo Heavy Duty Fold-A-Jack (Base Only) provides a rugged, low-profile folding foundation that can be paired with multiple head styles for maximum versatility. Built with oversized square tube legs, heavy-duty bracing, and a wide stance, this base delivers the same strength and stability as complete Lo Fold-A-Jack models while letting you choose the ideal head for your application. It is an excellent option for shops and contractors who want a modular pipe support system that can adapt to different jobs, from standard V-head work to roller, conveyor, or specialty head configurations.
Key Features
- Base-only configuration allows you to add the head style best suited to your pipe handling needs.
- Low-profile Lo Fold-A-Jack design is ideal for tight or low-clearance environments.
- Heavy-duty folding steel legs make transport, storage, and setup fast and efficient.
- Oversized square tube legs and bracing provide excellent durability and stability.
- 1½" (1.5") ACME rod interface is designed to work with compatible B&B SUMNER heads.
- Quick lock washer height adjustment (with head installed) allows rapid, repeatable setup.
- Third-party tested safety performance when used with rated heads and within capacity limits.
- Wide stance and low center of gravity help reduce tipping risk under load.
- Ideal for building a flexible fleet of stands that can share interchangeable heads.
- Safety washer can be locked onto the base to enhance operator safety during use and transport.
- Typical Load Capacity: Matches rating of installed head – Pipe Capacity: up to 12" (300 mm) with standard heads
