The simple design creates a clean look for your room or shop. The screws are not visible, making it suitable for interior decoration, perfect for hanging hangers, etc. Material: Brass Size: Total length 50mm, Head diameter 25mm, Hook diameter 12mm Safe working load with wooden post: 10kg Please use concrete anchors for concrete walls. Set Contents: Hook body x 1 Iron-made, unichrome plated, pan head tapping screw 4 x 30mm