8 Pairs Copper Speaker Spike Isolation Stand with Base Pad Feet Mat for Speaker, Amplifier, DVD Player, Recorder All Copper Speaker Feet: This is a pure copper speaker foot nail, the foot nail is 36mm in length and the screw handle diameter is 6mm. It is a cone similar to a nail, which can be placed alone under equipment or speakers, or under shock-proof boards and shock-proof frames. Height Adjustable: The high-grade gold-plated is beautiful, bright and not easy to scratch. At the same time, this product is also designed with a height fine-tuning balance nut. It can reduce the sound dye between the carton body and the ground to obtain effects. Be Applicable: Can be used for HIFI speakers or speaker stands to absorb shock. Suitable for speakers, amplifiers, CD DVD players, turntable recorders, chassis, musical instruments, etc. Maximum Supported Load: The maximum supported load is about 15kg, which is about 33 pounds. Contact the tip on the ground can minimize harmful vibrations.