The Jorgensen Forged Sliding Bar Clamps are high-quality, versatile tools designed for various industrial applications. With a quick-release screw clamp & quick adjustable sliding bar, 3-inch throat depth and versatile 6 inch opening, these compact clamps offer up to 450lbs of clamping force for regular everyday use. Proudly made with quality forged materials this set of HD clamps is perfect for work holding and tool holding in CNC, metalworking, manufacturing and wood working processes. Jorgensen clamps are known for their reliability and durability, making them a valuable addition to any workshop or factory.