Function: Provides excellent clamping action for your Universal T-Track system configurations and components Features: Scratch- clamp pads and high-tension clamping capabilities Design: Made of premium anodized aluminum with a lever-shaped profile to optimal leverage in addition to workpiece accessibility Versatility: The hold-down clamp set is perfect for workpiece securing, positioning, and holding for many woodworking or metalworking applications, including routers, drill presses, CNC, table saws, jigs, panels, vertical milling machines, and more Please note: The head dimensions of our T-Bolts, 1/4inch-20 and 5/16inch-18 are both 17/32inch wide x 13/16inch long and 7/64inch thick (see drawing). They are designed for Universal T-Track or larger and not fit 1/4inch or Mini T-Track. Colour:Blue Material:Aluminum Alloy Package Contents: 1 set of T-Track Hold Down Clamp Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.