Grip-On 129-07 7-Inch PInch-Off Locking Pliers, Nickel-Plated Stops fluid loss when soldering copper tubing after filling refrigeration circuits Smooth blunt jaw design allows it to be used as an instant shut off valve Indented tips permit pinching-off larger size tubes in two strokes without the need for adjustment No-pinch quick-release lever easily unlocks the pliers Capacity to 6-1/4-Inch