DescriptionThis is a set of 20 pieces 2028 corner bracket.It is widely used for building 3D printer Kossel , CNC Routers, Robotics projects. Suitable for most of metric 20 Series Aluminum Extrusion, T Sloted Profile and provide solid casting, more strong the than 2020 corner bracket.Feature- Color: Black. - Material: Aluminum. - Size: 3.48x2.8x3.48cm. - Used for: connect aluminum profile 2028 series. - Rigid connection, used to connect aluminum extrusion at a 90 degree angle. - Widely used for building industrial aluminum frame structures, 3D printers, CNC Routers, CNC cutters, Robotics projects. - Made of quality aluminum material, durable.