Irwin 24" Quick-Grip Bar Clamp Spreader is a medium duty 1 handed bar clamp with a 300 lb clamping force. It has a 3-3/16" throat depth and a removable, non-marring pads. The removable swivel jaw allows for easy positioning of the clamp. The I-beam bar reduces flexing and bowing. The pistol grip design and quick release trigger allow for one-handed operation. The quick change button allows for easy conversion into a spreader or specialty clamp with the installation of 1 handed bar clamp accessories.