Use the made in the USA B-104 Series Heavy-Duty C-Clamp from Bessey for your heavy industrial and construction needs. The clamp features a drop-forged, heat-treated frame and a square head on the T-handle. Specs include a 0 to 3.5" clamping capacity, 2.25" throat depth, 10,000 lb clamping force, and 4.15 lb weight.