Appropriate Size: the L shaped hanger supports measure about 3.2 cm/ 1.26 inches long, and 1.26 cm/ 0.47 inch high, appropriate size to use and change, and they are easy to collect Easy to Use: the white board mounting hardware is easy to use, shaped like L shaped hangers can be screwed in with expansion tubes, and can be removed when not needed Quality Material You Can Count: the white board mounting brackets are made of quality metal, reliable and strong, not easy to break or deform, which can be applied for a long time Wide Range of Usages: the whiteboard mounting kit is qualified and useful, which can be applied in the classrooms, offices, homes, restaurants, cafes, etc., giving you a convenient using experience material: metal Color as shown Package Contents: 20X Hanger Supports 40X Screws 20X Expansion Tube 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 measurement allowed error is +/- 1-3cm.