Recessed screw pockets to ensure flush mounts Pre-tapped holes Anodized aluminum Color: black material: metal Size: 8 x 4.9 x 1.2cm Package Contents: 6 x C-Beam End Plate Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.