Jorgensen 4-inch Bar Clamp Set, Bar Clamp for Woodworking, Quick Release Gear Clamp with 600 lbs Load Limit - 2 Pack

Features

• Maximum Opening Capacity: 4 inches. Throat depth is 3 inches.
• Maximum Load Limit: 600 pounds.
• Rapid Action: The handy quick release button releases the clamp instantly. With a quick push on the power bar the gear clamp is easy to adjust and release.
• Minimal Movement During Tightening: Holds very well and doesn't cause "shifting" or "twisting" while tightening.
• Note: Open the handle to the maximum, then slide to clamp whatever you are clamping, then pull the lever towards the black bar; otherwise, it might come loose.