Made of plastic and aluminum for durability and stability.<br> These replacement accessories keep tonneau cover in top working conditions,back up for the replacement.<br> Fit for Hard Tri-Fold Tonneau Cover,Not for soft tri-fold tonneau cover.<br> The prouct is in sturdy and high strength conditions, which is both wear and heat , not easy to break or deform.<br> The is composed of triangular screw, front clamp, rear clamp and T-bolt.<br> No Installation Guide or Instruction Included.<br> Professional Installation is Highly Recommended.<br> name:Tri-Fold Tonneau Cover Clamp<br> Fitment:Fit For /For /For /For /For and so on Hard Tri-Fold Tonneau Cover<br> Colour:Black & Silver<br> Material:Aluminum+ABS<br> Package Contents:<br> 1 Set * Pickup Truck Cargo Cover Fixing Kit<br> Only the above package content, other products are not included.<br> 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.