The speaker vibration bottom pad used is spike with the ground as well as plays an important role to reduce splendor and protect your furniture suitable for solid wood flooring or flooring from taper toe or shoe studs Pure copper material for better quality and durable Base pads High-grade electroplating, beautiful, bright and good surface is not easy to scratch These are universal bases, suitable for all speaker Spikes and tapered dots help to focus the tone and reduce noise Suitable for speakers, amplifiers, CD DVD players, turntable recorders, chassis, musical instruments, etc. Color: Silver Material: copper Size: 25*4mm Package Contents: 8 * Base Pad Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.