Quality Material: The adjustable L-shaped brackets are made of high quality, with black sandblasted surface, smooth edges and no burrs, corrosion-resistant, rust-proof, not easy to break or deform, and durablewith stripes. 2-Slot & Adjustable Design: Each corner bracket is equipped with 2 slots, measuring 35mm and 78mm in length, and 6mm in width; you can adjust the installation distance according to the size of the slots for more precise installation. High Load Capacity: Each angle bracket adjustable to 90 degrees, providing increased strength, sturdiness and durability, preventing angle joints from collapsing under structural loads, shocks or forces. Wide Applications: Ideal for fixing a tank in different positions of a PC case, or for fixing furniture such as wooden beds, cabinets, dressers, chairs, drawers, tables, shelves, etc. Widely usedin offices, supermarkets, private homes, shops and other places.