Description:Made of aluminum die casting alloy with a sandblasting surface, this aluminum corner bracket is of good rust resistance, high hardness, and long service life.Used for the L or cross right-angle connection of two aluminum profiles or lock connection of heavy frames. Insert the two ends of the L-shaped angle bracket into the groove of the profile, and tighten the fixing screws to fix the two profiles.Suitable for 4040/4080 series aluminum profiles. Widely used for building industrial aluminum frame structures, 3D printers, CNC routers, CNC laser cutters, robotics projects, woodworking machinery, fish tank, etc.Specification:Color: Silver Material: Aluminum AlloyHole Quantity: 2Hole Size: 22.5x8.5mm/0.89"x0.33"(L*W)Total Size: 38mm x35mm x38mm / 1.5" x1.38" x1.5" (L*W*H) Package Content:12 x 4040/4080 Aluminum Brackets