set2: 5 x Adjustable Hinge Bracket & 20 x L jointsMaterial: Zinc alloy , has excellent features in high abrasion resistance, rust proof and stability.Advantage:Concealed corner brace, the L corner bracket can be completely hidden in the slot of the aluminum extrusionsFit:Suitable for 2020 european standard aluminum profiles slot 6mmWidely used for building industrial aluminum frame structures, 3D printers, CNC routers, laser-engravers, robotics projectsMade of zinc alloy, it's durable and versatile, a perfect fastener for your furniture.Designed for 2020Series Aluminum Extruded Profile Frame etc.Movable hinge bracket fixed angle support rotation range 180 degree.Color: black/ silverMaterial: zinc alloyssize: 20 x 20mmPackage Contents:5 x Adjustable Hinge Bracket20 x L joints40 x screw1 x wrenchOnly the above package content, other products are not included.Note: Light 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.