Wakaisangyo WAKAI 2x4 Lumber Wall Tension System Diawall White Body Size: W98 x D50 x H50mm Set Contents: Top and Bottom Pads 1 set / Adjustment Spacer 1 piece Color: White *Slight yellowing and stains are present. No box. Materials: Pads/ABS resin, Spacer/ABS resin, Non-slip sheet/CR rubber, Spring/Steel Features: ・By using commercially available 2x4 lumber (approx. 38mm x 89mm cross-section), you can attach clocks, picture frames, calendars, etc. with your favorite hooks and screws. ・You can also create a decorative shelf by using two 2x4 lumber pieces and dedicated shelf supports. ・Diawall has a spring built into the top pad, allowing it to be tensioned without damaging the floor or ceiling. Ideal for concrete walls, sand walls, and rental apartment walls where damage is not allowed. Thank you very much for checking to the end. We would appreciate it if those who understand that this is a used item would purchase it after confirming the above.