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 4545/5050 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: 4Hole Size 1: 10mm/0.39"(Dia.); Hole Size 2: 32.5x10mm/1.28"x0.39"(L*W)Total Size: 88mm x42mm x88mm / 3.46" x1.65" x3.46" (L*W*H) Package Content:4 x 4545/5050 Aluminum Brackets