Old Sumner Part Number
783250
Old B&B Part Number
3610
The B&B SUMNER Hi Boy™ Jack is designed for safe, reliable pipe holding and leveling in high places where extra reach is required. With a top height of 72" (1,829 mm) and a bottom adjustment of 39" (991 mm), this adjustable jack stand covers a wide working range for elevated pipe runs, equipment tie-ins, and overhead fabrication. The foldable design, locking tube, and 1½" (1.5") ACME-thread adjustment make it easy to transport, position, and fine‑tune, even in tight work spaces.
Key Features
- Height adjustment from 39" to 72" (991–1,829 mm) for elevated pipe support.
- 1,000 lbs (450 kg) load capacity for heavy-duty industrial applications.
- Extra‑wide 38" (965.2 mm) footprint increases stability and reduces tipping risk.
- Quick lock washer height adjustment for fast, easy setup on the jobsite.
- 1½" (1.5") ACME-thread adjustment provides strong, precise height control.
- Folding design allows easy access into tight work spaces and simplifies transport.
- Bottom T-handle locks the folding base into a fixed, secure working position.
- Lock washer can be fastened to the base to enhance operator safety.
- Pipe diameter capacity from 1" to 24" (25–600 mm) for a wide range of pipe sizes.
- Compatible with B&B SUMNER slip-on style heads: SWH2, PWH2, SSWH2, SSH2, and BTH2.
- Available in a bulk crate of 60 pieces (Part No. 3610x60) for shop or fleet outfitting.
- Load Capacity: 1,000 lbs (450 kg) – Height Range: 39"–72" – Footprint: 38" (965.2 mm)
