Package includes 4 GAIA II Carpet Disks Feature 0.6” (15mm) spikes which provide a strong connection through the carpet to provide a solid foundation for the GAIA II isolators. Provide improved performance on thicker pile carpet and carpet with under pads 2” W x 0.9” H (52mm W x 22mm H) Made of Stainless Steel Designed to maintain stable support on carpet, the optional Carpet Spikes work with the GAIA II isolators to provide improved performance on thicker pile carpet and carpet with under pads. The carpet disks feature 0.6” (15mm) long spikes which provide a strong connection through the carpet to provide a solid foundation for the GAIA II isolators.