High-Quality Material: 2020 inside corner connector is made of high-quality aluminum alloy, strong and durable. The surface is galvanized, rust-proof and corrosion-resistant.

90 Degree Aluminum Extrusion: This 2028 angle corner connector can be used to connect 20mm aluminum extrusion parts at a 90 degree angle, suitable for metric 2020 series aluminum extrusion profile rail.

Wide Range of Application: Aluminum profile connector is suitable for aluminum extrusion profile with slot 6mm, T/V slot 20mm series aluminum rail accessories, and is widely used in the construction of 3D printers, CNC routers, robotics projects and industrial aluminum frame structures.

Corner bracket size: 1.1 x 1.1 x 0.79 inch / 28 x 28 x 20mm (L*W*H).