Irwin Quick-Change Medium-Duty Bar Clamp, 150mm (6in) Swivel Jaw, Quick-Release Trigger for One-Handed Operation, 300 lbs. Force, I-beam Clamp Q/G506QC

Quick-grip One-Handed Bar Clamp| Q/G506qc Medium-duty I-beam bar Swivel jaw Quick-Change button Size: 150mm / 6" The IRWIN QUICK-GRIP One-Handed Bar Clamp, Medium-Duty, provides up to 136kg (300 lbs.) of evenly distributed force and features a unique pistol-grip design and quick-release trigger for one-handed operation.

Features Quick-Change button switches clamp to a spreader in seconds and also makes it compatible with a new line of accessories Swivel jaw for even distribution of clamping force I-beam bar prevents flexing and bowing