The 3060 thickened aluminum corner code is different from the common hollow back on the market now.The thickened type has no hollow on the back, and it is all solid, so that when the two aluminum profiles are connected, it can give strong support when supporting.It is stronger and more durable than the corner code on the back of the general hollowed out, and can withstand heavy pressure without being easily damaged.Actual size: 58mm x 28mmRight-angle face thickness 5.5mm, side thickness 3.5mmPositioning block width 6mm and 8mm,Threaded hole M6 M8Material:Carbon steelcolour:SilverPackage Contents:5 x 3060 solid aluminum corner piecesOnly the above package content, other products are not included.Note: Light shooting 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.