Features ★Versatility:This clamp provides excellent clamping force for your common T-track system configurations and components. It is ideal for workpiece tension, positioning and fixtures for wood or metalworking including routers, drills, table saws, platters, vertical milling. ★High Efficiency: After processing, this woodworking bar clamps time-saving and effortless, fast and convenient during use. If you want a better and better feeling of use, buy it. ★Good tool for T-slot track: This is for a range of clamp for use with T-slot track.Very versatile! Also ideal for tensioning devices. ★Easy to Use: Slipping in T-track and secures quickly with the rotation of the hand button nut. The clamp is by far one of the easiest methods of clamping wood to a drill table or to a work surface with an aluminium T-rail.nylon protective covers can protect workpieces from damage. ★Wide Application: these clamps are useful in many woodworking and metalworking applications for holding, positioning and fixing workpieces. Gives clamping pressure anywhere along the flush mounted T-slot T-nut. Features: This is for a set of hold down clamp for use with T-slot track. These clamps are useful in many woodworking & metalworking applications for work holding, positioning, and fixturing. Puts clamping pressure anywhere along the flush-mounted T-slot T-track. Slides into T-track & quickly secures with the turn of the hand knob nut. Both T-screw and threaded rod are of 8mm threaded. Very versatile! Also perfect for clamping jigs & fixtures! Specifications: Main Material: Metal Main Color: Silver Thread Size: M8 M8 Plastic Handle Size: Height Approx. 26mm / 1in,Shape: Approx. 46.5mm / 1.8inChute T Screw Size: M8 Male Long Approx. 100mm / 3.9inT Hat Size: Approx. 12.6 x 22.5 x 3mm / 0.5 x 0.9 x 0.1in Package Includes: 1 x Whole Clamps Set (Threaded Rod, T Screw, Knob Nut, Slide Block, Washer, Clamp Board) OR 1 x T Screw and Plastic Knob Nut  Note: Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List