Features:_x000D_ _x000D_ Pure copper material for better effect. _x000D_ High-grade plating, beautiful, bright, not easy to be scratched. _x000D_ The speaker shock base pad is used between spike and ground, to minimize the harmful vibration. _x000D_ Can be used for HiFi speaker and speaker stand to avoid vibration. _x000D_ Especially suitable for heavy speaker due its pudgy body design. _x000D_ _x000D_ Specifications:_x000D_ Color: Shown as the pictures_x000D_ Size: Outer diameter: 18mm, Height: 20mm; Screw diameter: 8mm_x000D_ Plating: Primary color_x000D_ Material: Copper_x000D_ Package weight: Approx. 180g_x000D_ _x000D_ Package List:_x000D_ 8 x Spike 1Pure copper material for better effect. 2High-grade plating, beautiful, bright, not easy to be scratched. 3The speaker shock base pad is used between spike and ground, to minimize the harmful vibration. 4Can be used for HiFi speaker and speaker stand to avoid vibration. 5Especially suitable for heavy speaker due its pudgy body design.