Suitable Size: The L-shaped hangers measure approximately 3.2 cm/ 1.26 inches long and 1.26 cm/ 0.47 inches high, suitable size to use and replace, and they are easy to collect. Easy to Use: The whiteboard mounting hardware is easy to use, shaped as L-shaped hangers can be screwed in with expansion tubes and can be easily removed when not needed. Quality Material You Can Trust: The whiteboard mounting brackets are made of quality metal, reliable and strong, not easy to break or deform, which can be used for a long time. Wide Range of Uses: The whiteboard mounting kit is qualified and useful, which can be used in classrooms, offices, homes, restaurants, cafes, etc., providing you with a convenient user experience. Material: metal. Color as shown. Package contents: 20 x Hanger supports. 40 x Screws. 20 x Expansion tubes. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The allowed measurement error is +/- 1-3 cm.