DescriptionMade of high-quality aluminium alloy, rubber and plastic material, fadeless and not easy to oxidize. To raise the height of amplifier to help create a real stereo surrounding sound. Amplifier feet to help absorb shocking, to protect your amplifier. Rubber ring is detachable, very convenient and easy to use. Durable for a long-time use.Features- Material: Aluminum Alloy + Plastic + Rubber. - Made of high-quality aluminium alloy, rubber and plastic material, fadeless and not easy to oxidize. - These amplifier feet pads can help absorb shocking, and protect your amplifier. - Rubber ring is detachable, very convenient and easy for you to use. - To raise the height of amplifier to help create a real stereo surrounding sound. - Fine workmanship, premium materials, durable and practical for a long-time use.