Features 1.Use gold-plated copper, high strength and durable. 2.It can be put under the speaker and help to minimize the harmful vibration. 3.Eliminate the pollution between the ground and the speaker, get the pure natural sound effect. 4.Can be used for HiFi speakers or speaker frame. 5.Designed with height fine-tuning balancing nut. Specification Features: Use gold-plated copper, high strength and durable. It can be put under the speaker and help to minimize the harmful vibration. Eliminate the pollution between the ground and the speaker, get the pure natural sound effect. Can be used for HiFi speakers or speaker frame. Designed with height fine-tuning balancing nut. Specifications: Color: Gold + Black Material: Copper Process: Gold-plated Spikes Diameter: 28mm Spikes Height: 25mm Base Pad Diameter: 25mm Package Weight: About 284g Package Included: 4 x Speaker Spike 4 x Base Pad 4 x Sticker (Not including speaker.) Package List