This Quick Change Bar Clamp from the Irwin Quick-Grip range has a 455mm clamping capacity and 665mm spreading capacity  The Irwin T518QCEL7 bar clamp features a quick-change system that converts the clamp to a spreader in seconds. This provides the consumer with a greater clamping hold load of 135kg and gives increased versatility for a range of jobs. Its heavy-duty construction makes for a durable, long-lasting clamp that is up to the task. Features:   Square XP-style protective pads protect the work surface  Heavy-duty construction makes for a durable, long-lasting clamp  Improved quick-change screw mechanism allows for easy conversion to a spreader   Specification:  Net Weight: 1.057kg  Clamping Capacity: 455mm (18in)  Spreading Capacity: 665mm (26in)