4pcs 46mm 316L Stainless Steel Speaker Spike Pad Steel Ball Ceramics Ball Shock-absorbing Isolation Stand Feet Damping Nail. Main Matertial: 316L Stainless Steel + Steel Ball or Ceramics Ball. Notice: Design for the integrated of speaker spike with pad.

4pcs 46x21mm Stainless Steel Speaker Spike Pad Ceramic Ball Steel Ball Damping Isolation Stand Feet Nail. Sandwich type design, both sides of 9.5mm thick stainless steel, the middle is high-tech ceramic ball or steel ball.