Thank you for viewing! This is a set of two white conversion adapters for attaching light fixtures with a hook ceiling type to a lighting rail (duct rail). ✅ One-touch installation on the duct rail ✅ Compatible with general hook ceiling ✅ Convenient for installing ceiling lights, pendant lights, etc. 【Product Contents】 ・Hook ceiling conversion adapter x 2 ・Color: White ・Condition: 中古 (Used for about 3 years) 【Please Note】 ・Easy installation type, no electrical work required ・Please check the compatible rails and fixtures before use How about it for replacing lights or installing DIY lighting? Instant purchase OK! I will pack it carefully and ship it. I will reply as soon as possible. Shipping will basically be on weekends and holidays.