Quality Materials: These are two sets of clamp brackets, made of alloy steel, not easy to scratch or bend, corrosion resistant and durable. Versatility: This clamp provides exceptional clamping forces for your universal T-track system configurations and assemblies. It is ideal for holding, positioning and securing work for woodworking or metalworking. Simple to use: This is for a set of holding clamps for use with the metal rail. T-shape. Exerts clamping pressure anywhere along the recessed T-track. Slides into the T-track and fastens quickly by turning the hand knob nut. Wide Application: This woodworking tool is a set of holding clamps for use with T-tracks and in many woodworking and metalworking applications for maintenance, positioning and securing. p> Complete Accessories: You will receive 2 sets of complete clamps (threaded rod, T-screw, nut, slide block, washer, clamp board), complete accessories to meet your daily needs. Product Features: 1. Made of high tensile alloy steel which can provide you with high tension clamping action. Makes adjusting, tightening and securing your gear a breeze. 2. These fixtures are used with T-tracks or T-slides, which are used in wood and metal processing, to hold, position and secure workpieces. 3. Size: T-screw and threaded rod: M8, sliding block: M8. Both the T-thread and the threaded rod have an 8 mm thread. Very diverse! Also suitable for clamping devices. Product Specifications: Main Material: Alloy Steel Main Color: Silver Size Thread Size: M8 Handle Dimensions: 160mm Length x 30mm Width x 12mm Height Package Includes: 2 x whole clamp set (threaded rod, T screw, knob nut, slide block, washer, clamp card)