【SUPPORT】We offer 3 years warranty. If has questions, you can contact us at any time, our Customer Service Team will follow up and solve it for you as soon as possible. 【USED FOR】Wooden door, Sliding door; Occasion: Kitchen, Dinning Room, Bedroom, Coffee Bar, Farm, etc. 【ADVANTAGE】① Upgrade, add metal shell, increase thickness, sturdy and durable ② Spring Damper Buffer,Unique Super Silence Function . 【PACKING】1 Pair x Mechanism buffer, 2 X trigger (with 4 woodscrews) (Only the Soft close Mechanism for sale, No Track). 【SIZE】340mm * 18mm * 25mm, 2PCS Soft closemechanism for one door use.