The Sumner 781150 Ultra Pipe Clamp secures 2″–6″ pipe for accurate three-point alignment in welding and fit‑up. Its rugged dual‑wall steel frame withstands site abuse, while roller clamps and stainless screws ensure firm grip. The repositionable handle, fine‑adjust rollers, and lightweight ~10 lb design suit overhead work. Backed by Sumner’s lifetime guarantee.