Yinpecly 4Pcs Inside Corner Bracket Gusset Aluminum Alloy Interior Joint Bracket Suitable for 4040 Series with 8mm Slot Aluminum Extrusion Profile Silver

Total Size: 40 x 40 x 35mm / 1.57" x 1.57" x 1.38" (LxHxT); Hole Size: 9mm / 0.35"; Slot: 8mm / 0.31" Made of high quality aluminum alloy material for good rust resistance and better performance, durable and solid Suitable for european standard 4040 series 8mm slot aluminum profiles, built-in connection with beautiful and simple features