Primacoustic ISOPLANE Monitor Isolation Pads, Stereo Set, HorizontalThe IsoPlane is a multi purpose isolation kit for use with nearfield monitor speakers, turntables, CD players, laptop computers and other devices that may be adversely affected by vibrations. Made from high density open cell foam, the IsoPlanes horizontal surface eliminates vibration borne energy from transmitting back into the device. Each kit contains 4 pieces of dark grey high density low compression 12 x 4 x 1. 5 foam that may be spread out to