【Disaster Prevention Supplies】 Furniture Earthquake Prevention Tension Rods These are disaster prevention supplies designed to prevent furniture from toppling over during earthquakes and other events. They are installed between the top of the furniture and the ceiling and secured by tension. The image shows the extendable part, allowing for length adjustment. - Color: Brown - Material: Iron - Adjustment Feature: Height adjustable - Earthquake-resistant poles: 2 included - Earthquake-resistant pole length: 485mm - Earthquake-resistant pole outer diameter: 25mm Inner diameter: 23mm - T-shaped bracing bars: 4 included - T-shaped bracing bar width: 54mm Depth: 240mm - Minimum vertical distance: 490mm (See attached photo 6) - Maximum vertical distance: 640mm (See attached photo 7) - Earthquake-resistant pole height adjustment hole spacing: 25mm (Photo 11) The 25mm spaced holes allow for a variable vertical distance of 490-640 mm. - Earthquake-resistant pole height fine-tuning guide: Photo 9 - Fine-tune the height by turning the guide: Photo 10 ☆ I am selling these on Mercari because I changed to bolt-fastened storage on the walls during home renovation and no longer need them. ☆ There is some slight rust inside the earthquake-resistant poles due to being stored in a warehouse. ☆ The white cushioning material on the bottom of the T-shaped bracing bars (Photo 12) is dirty. ☆ These are not made of plastic. Steel is stronger than plastic in terms of shear stress during an earthquake. Shipping: I plan to ship via the "Rakuraku Mercari" courier service, size 100, in a cardboard box.