Feature: There are seven removable stainless steel springs to support the upper and lower 'sandwich' bearing plates to efficiently reduce vibration The sound is full and thick and warm, improving the cold and hard, tight, and lacking flavor system. It can increase the mid-low frequency energy while maintaining the original rich details, and the effect is first-class.  Stereo imaging and bass response Design: CNC Machined and spring isolation stand feet is easier to install, no need to make holes and no need to use double-sided adhesive to avoid damaging your equipment. Espeically it's convenient for you to adjust load bearing by moving or adding springs which can make sound feeling different.  Function: Using isolation stand feet is to suspend acoustic feedback from your speakers or sub-woofer isolation for vibration. The tones will be more focused, lighter and with less noise. It can also avoid much of the vibration that may disturb downstairs.     Specifications: Applicable objects: Speakers, amplifiers, instrument, turntable, CD/DVD players, recorders, DAC and other equipments.  Material:Aluminum alloy.  Spring Material :304 stainless steel.  Colour :Silver or Black.  Weight: 108g (Single).  Can bear weight: <=35KG.  Diameter: 49mm.  Height: 42MM (No load bearing).  Package Included: 4 x Shockproof Spring Pad (Other products are not included)