1STRONG AND ACCURATE: 20mm bench dog hole clamps for woodworking is made of quality aluminum alloy ensure long use and will never break. Accurate CNC process 0.79in(20mm) rod is perfect fitting for 0.79in(20mm) dog hole workbench. The beautiful knurled rod hold well in the dog hole 2STRONG CLAMPING FORCE: All metal for MFT clamp provide stable and strong clamping force on wood make sure workpiece no moving. With soft pads on the clamps protect wood boards from damage 3LARGE CLAMPING RANGE: Hold down clamps for MFT table can be used for clamping workpiece up to 10.79in. Woodworking clamps is easy to adjust clamping height for different thickness wood boards 4WIDE APPLICATION: Bench dog clamps can be used for clamping when you are drilling, cutting, sanding and making wood jointer. The protect soft pads can prevent damage on wood 5PRACTICAL AND CONVENIENT: Bench dog clamp come with positioning pins, convenient and fast, save time, possess wide range of application, useful and practical 2 x Woodworking Tabletop Clamp 2 x Positioning Pin