The RIDGID Grip Wrenches are fitted with two handles and heavy-duty jaws, they can handle a multitude of different diameters. Adjust the bolt on the bottom handle to the require size and then it can be locked in place.RIDGID 1144 Grip Wrench Length: 720mm (28.1/2in).Capacity: 90mm (3.1/2in).Weight: 5.3kg.