Available in 7 and 10 inch sizes. Simple, Quick Adjusting Design (No Button to Press or Channels to Lock). Made of Hi-Strength Chrome Vanadium Steel. Lightweight Yet Incredibly Strong. Only One Hand Needed to Adjust Size. Adjusts with a Light Squeeze of the Handles. Micro-Adjusting Mechanism Precisely Adjusts Size (No Channels). Jaws Grip Flat, Round or Irregular Shaped Objects. Jaws Stay Parallel.