ITEM NAME:8Mm Metal Quick Acting Hold Down Clamp Set For T-Slot T-Track Diy Woodworki T3L7 8Mm Metal Quick Acting Hold Down Clamp Set For T-Slot T-Track Diy Woodworki T3L7 Hold down clamp for use with T-slot track. Puts clamping pressure anywhere along the flush-mounted T-slot T-track. Slides into T-track and quickly secures with the turn of the hand knob nut. Both T-screw and threaded rod are of 8mm threaded. Widely in many woodworking & metalworking applications for work holding, positioning, and fixturing. Thread Size: M8 Color: silver + black Material: metal + plastic Package Content: 1* Briquetting 1* screw 1* T slider 1* handle 1* screw 1* gasket.Both T-screw and threaded rod are of 8mm threaded. Thread Size: M8.