Thank you for viewing. This is a long hook for shades that uses heat to melt and attach the welding agent, making it suitable for uneven surfaces. I am selling it because I couldn't use it and had it stored away. Rotary swing design for wind resistance. - Type: Long Hook - Weight Capacity: 2kg (when using 2) - Feature: Rotary swing - Application: For shades - Installation: Can be ceiling-mounted Thank you.