Dowel -L-Channel Aluminum L-Channel Connector Corner Bracket Inner Joint Highlights Generic Brand L-Channel Aluminum L-Channel Connector Corner Bracket Inner Joint Description: The connector T-shaped L-shaped profile inside corner bracket is made of high quality carbon steel. These angles are durable and strong. The surface is nickel plated for good rust resistance and better performance. EU-2020 is for extrusions with 6mm slot, while EU-3030 and EU-4040 have 8mm slot and EU-4545 with 10mm slot. It can be widely used to reinforce right angle joints of aluminum extrusion profiles. Specification: Material: Carbon Steel Color: Silver (As Shown) Size (WxH): Approx. 37.5 x 18.5mm / 1.48 x 0.73inch Package includes: Corner Connector Joint Bracket, 20pcs Note: Please allow 0.1-0.5cm error due to by manual measurement. Please make sure you don't mind before you buy. The colors may have different as the difference display, please understand.