Wide Application: This woodworking tool is designed for a set of hold-down clamps for use with T-track and useful in many woodworking or metalworking applications for holding, positioning, and fixing. Premium Quality: Puts clamping pressure anywhere along the recessed T-slot. Simple to Use: The hold-down clamp is easy to secure wood to a drill press table or any work surface. Size: T-screw and threaded rod: M8. The T-screw and threaded rod are 8mm threaded. Complete Accessories: You will receive 2 sets of complete clamps (threaded rod, T-screw, knob nut, slide block, washer, clamping board), complete accessories to meet your daily needs. 2 x Set of Whole Clamps T-screw Threaded rod Slide block Washing machine Clamping board Knob nut Product Description Main Material: Metal Main Color: Silver Thread: M8 Package Includes: 2 x Set of Whole Clamps (threaded rod, T-screw, knob nut, slide block, washer, clamping board clamping) Features: This is for a set of hold-down clamps for use with T-slot track. Puts clamping pressure anywhere along the recessed T-slot track. EASY TO USE The hold-down clamp is easy to clamp wood to a drill press table or any work surface. Versatile These clamps are useful in many woodworking and metalworking applications for holding, positioning, and fixturing work. Very versatile! Also great for clamping jigs and fixtures!