[Scope of application] This product is suitable for joining aluminum T-slot frame outlines at a certain angle with high joining strength, beautiful appearance, convenient and firm joining.[Silver Oxidation Treatment] The surface of the product is silver oxidized (partially untreated), with good material and long service life.[High Quality] This product is made of high strength, super hard and high quality aluminum material, which can be used for a long time.[Easy installation] Easy installation with screws (not included). The screws are provided with holes for securing the screws.model:3030Colour:SilverMaterial:aluminumPackage Contents:10 * Bracket ConnectorsOnly 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.