3 Locking “C” Clamps. This is a new set of 3 locking “C” clamps. These are great for many aspects of welding. You receive: One locking “C” clamp that measures approximately 6 1/2″ (165.1 mm) long. One locking “C” clamp that measures approximately 10 3/4″ (273.05 mm). One locking “C” clamp that measures approximately 18″ (45.72 cm). We work hard to update our descriptions and pictures of our merchandise. As part of a process of ongoing innovation by our suppliers, newer versions of the item shown may be shipped before we are able to complete an update. As a result there may be a slight variation in color and design.