Durable and Sturdy: The stand is constructed of high quality stainless steel, durable, strong, sturdy, waterproof and rustproof. Hand-polished stainless steel finish, modern look and never worry about daily scratches, corrosion and tarnishing. Safety Design: Countersunk mounting screw hole design makes screws not showing outside, protecting the screws and making the appearance smoother; The curved design makes the edge safe and protects your hand from being scratched.Wide Application: Works great for book shelves, potted plants, stereo, table, desk; reinforce a broom cupboard door, flat surface joints, seams and cracks. Help strengthen your bed frame, box, construction or installed furniture repair. Easy to install: screw holes are recessed so that the screws are flush with the surface of the brackets. Super handy for general DIY jobs around the house. L-shaped steel corner brace to reinforce right angle corner joints. Quantity and Size: Set of 20 corner spacers + 40 screws, measuring 20x20x16 mm. Mounting hole diameter: 5mm; Quantity of holes: 2 holes. Making them ideal for a range of applications. Note: The data are all manual measurement, please allow 1-3cm error, due to the light and display difference, it there will be some color difference, depending on the physical item received.