Introducing the Universal Hold Down Clamps by POWERTEC. This hold down clamp set provides you with a heavy duty and reliable solution to keeping your t-track/ t-slot workpieces in place. Each clamp is designed to fit firmly in your universal t-track/ slot assembly, providing you with high-tension clamping action. Premium Build + Innovative Design Featuring our unique lever shaped profile, these woodworking accessories deliver exceptional hold-down clamping action. They also flaunt an impressive clamping capacity for a wide assortment of task, while providing the user with optimal workpiece clearance. The POWERTEC Hold Down Clamps are constructed out of heavy duty anodized aluminum, built for long-term usage without the worry of corrosion or wear and tear. We've added ergonomically designed 5 star knobs to give you full-range control. This makes adjusting, tightening and securing your material a breeze. To protect your workpiece, these clamps are highlighted with non-marring rubber clamping pads. Whether you're a professional or DIY enthusiast, these beefy clamps offer hassle free productivity and streamlined workflow. They're easy to use, and even easier to love.