Check the listing for details. 4pcs Speaker Spike Magnetic Suspension Isolation Stand Adjustable Shock Feet Pad. Condition: Open box. Listed at 60.98 USD. 4pcs Speaker Spike Magnetic Suspension Isolation Stand Adjustable Shock Feet PadDescriptionAccording to like poles repel; the two strong neodymium magnet homopolar placed, to eliminate the shock transferred equipment. Integral design of spike and pad Color: Silver. (if you want black, please send us a message) Material: Aluminium Alloy Diameter: max about 45mm(1.77") Height: about 54mm(2.13") Weight: 168g/pcs Max Load Bearing: 3.8kg/pcs, over 3.8kg/pcs will lose magnetic levitation. So 15kg equipment need 4pcs, 20kg equipment need 6pcs... Error: ±1mm Package Included:Spike x 4 Payment We only accept payment via PayPal.Shipping All items will be shipped to worldwide. All items will only be shipped to the ebay address, so please make sure to provide us with the correct, precise, detailed shipping address at ebay. Customs duty is obligation and liability of a citizen in your country, so the buyer should be responsible for any tax and custom duty incurred. Most of the items will be shipped by China Post / Hongkong Post / Singapore Post.Guarantee & Feedback All the items will be tested before shipping. Buy them with the confidence! If the item is defected when you receive it or you are not satisfied with it, you can email us for a replacement or refund, but you have to return the item to us within 7days.Please contract us and double check the return address before you return it. No accepting to return the electronic components. Full refund when receiving the original item. Notice: Return shipping fee is paid by the buyer. We maintain the excellent service standards and strive for 100% customer satisfaction! Positive feedback is very important to us,so if you have any problem, please do feel free to contact us before leaving us any Neutral or Negative feedback, so that we can satisfactorily address your concerns.Contact Us We strive to provide you with the best service, and we will reply your question within 24 hours. Our greatest goal is to meet the maximum demands of the customers. Business time: 9:30~21:30 (GMT+8)Contact us