Material: Made of high quality aluminum alloy, wear-resistant and durable, anti-rust and anti-corrosion, long service life Easy to use: The hold down clamp provides a solid hold in your T-tracks , exerts clamping pressure anywhere along recessed T-track Application: Slips into T-track and quickly attaches by turning handle Versatility: Spring-loaded and force capable exceptional clamping, it is a perfect addition to any universal T-track system. It is ideal for holding, positioning and securing for wood or metal work including routers, drills, CNC, table saws, jigs, panels, vertical milling cutters, and more. Nice Gift: Exquisite appearance, small size, easy to operate, can be used as a good gift for friends who love woodworking Product size: 73 x 68.45 mm. Product colour: blue Scope of delivery: One piece