The IRWIN Vise-Grip Locking pinch-off tool 175mm (7in) provides a temporary seal when applied to tubing, leaving both hands free for other work. Perfect to use for plumbing work as it stops the flow from untidy tubes. Hex key adjusting screw that tightens to draw materials closer together and also provides controlled release. This tool is specially designed for the refrigeration industry. Specification Length: 175mm (7in).Capacity: 6mm.Additional Information:Capacity (mm): 6Length (mm): 175Clamp Type: Pin Off Tool