The B&B SUMNER Hi Boy™ Jack is ideal for pipe holding and leveling in high places. With a top height of 72″ / 1,829 mm tall and a bottom adjustment of 39″ / 991 mm, it can be used for many applications. The Hi Boy™ Jack is foldable and can be carried with ease, fitting into tight spaces when transporting. The height adjustment is performed with a locking tube and 1½” (1.5″) ACME adjustment.


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New Part No. | Old SUMNER Part No. | Old BB Part No. | Description | Load Capacity |
3610 | 783250 | 3610 | Hi Boy™ Jack with V-head | 1,000 lbs / 450 kg |
- Height adjustment: 39 – 72″ / 991 – 1,829 mm
- Load capacity: 1,000 lbs / 450 kg
- Extra-wide 38″ footprint increases stability.
- Lock washer can be fastened to base for safety.
- Quick lock washer height adjustment for easy use
- 11/2″ (1.5″) ACME-thread adjustment.
- Folding design allows easy access into tight work spaces.
- Bottom T-handle locks folding base into fixed position.
- Pipe diameter: 1 – 12″

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