Features: This hold down holder is selected from steel to ensure its durability and stability, and also have excellent wear resistance for long-terms use. The hold down Levers Clamps have clamping force of 170kg, which make easy to handle surfaces at different clamps. Easy to use and not require much specialists knowledge. It is suitable for a variety of applications such as carving, milling, grinding, machining and general woodworking, making for woodworking. The movable arm have a Ratchets designed to ensure a strong clamping force. The quick Releases chucks with nonslip buckles prevents slipping during use Specifications: Component:Steel Clamping Ranges:120mm/160mm/200mm/300mm Package Includes: 1Pc Hold Down Levers Clamps note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.