Features: Made of pure copper with a high-gloss finish, resistant to scratches. Suitable for use with HiFi speakers or speaker frames. Can be placed under speakers, shock boards, or anti-shock frames with the pointed end facing downward to minimize harmful vibrations. Helps reduce interference between the ground and the speaker for improved sound quality. Designed with a height-adjustable balancing nut. Specifications: Color: Silver Material: Copper Size: Approx. 11 x 60 mm (0.43 x 2.36 in) Package Included: 4 x Speaker Spikes 4 x Base Pads Note: The package includes only the items listed above. Other products are not included. Due to lighting and display differences, the actual color may vary slightly from the image. Measurement error allowed is +/- 1-3 cm.