The IRWIN QUICK-GRIP Medium-Duty One-Handed Bar Clamp evenly distributes up to 136 kgs. of sustained clamping force; equipped with removable, non-marring pads and a removable swivel jaw, the Medium-Duty One-Handed Bar Clamp can tightly hold even the most irregular of shapes. It is constructed of an I-beam bar to reduce flexing and bowing, and it has a classic pistol grip design and Quick-Release™ trigger for one-handed operation. With a simple push of the Quick-Change™ button, the clamp easily converts into a spreader or a speciality clamp with the installation of one of the QUICK-GRIP One-Handed Bar Clamp Accessories.