Hold clamp for use with T-slot track Put clamp pressure anywhere along the T-slot Slide into T-slot and lock quickly with turn of knob nut T-screw and threaded rod are 8mm threaded Applications Widely in many woodworking and metalworking industries, for positioning and fixing Product Description Specifications: -Main materials: metal -Main color: Silver -Thread type: M8 -T-screws and screws are 8mm thread -For clamping, positioning and fixing wood -M8 plastic handle: high 26mm, shape 46.5mm -T trunking screw size: M8 thread100mm length T cap size: 12.622.5*3mm NOTE: 1. Products contain small parts, never let children play to avoid inadvertent swallowing. 2. Please allow 1-3mm error due to manual measurement. Thank you for your understanding. Package Contents: Set 1: 1 x Clamp Set(Including Threaded Rod, T-Screw, Button Nut, Slide Block, Washer, Clamp Board) Set 2: 1 x T-Screw and Button Nut