Specification Brand : Viborg BulletPoint : hifi speaker feet BulletPoint1 : Excellent Quality: The air compressor vibration pad is designed as a "rubber-EVA-rubber" sandwich structure, which has a strong vibration damping effect. We can prove the vibration damping effect of rubber isolation pads is far better than full rubber feet after many tests. BulletPoint2 : Heavy Duty Loading: 4in x 4in x 7/8in / 10cm x 10cm x 2.2cm in size, with 3/8" Pre-Drill Hole, loading capacity 60 PSI (pound per square inch), each pad can hold 960 lbs, 4 pads hold up to 3800 lbs BulletPoint3 : Package Includes: 4 Pack anti vibration pads, durable for long serving time. Easy to install without any tools, just need to lift the machine and put the pad under each foot. Use the screw to anchor through the hole in the center, the equipment can be fixed better BulletPoint4 : Widely Application: The anti vibration pads designed for heavy duty machinery which will generate vibration, such as air compressors, printer, garage, HVAC system, central air conditioner unit, ductless mini split, heat pump, condenser units, treadmill, or other heavy objects that needs vibration or noise control BulletPoint5 : Non Slip Design: The stripe design on the shock-absorbing pad provides excellent friction, ensuring the stability of the equipment when operating in high-vibration environments, avoiding unnecessary slippage. BulletPoint6 : Shock Absorbing: Rubber and EVA foam combination features the best shock absorption and noise reduction. The EVA material with great chemical durability, resistance to oil or other common chemicals, and resistance to all weather elements. The heavy duty rubber material is anti-slip, anti-vibration, and noise absorbing. BulletPoint7 : Great Noise Cancellation:If you are often annoyed by the noise and vibration from some electrical appliances or machine equipment, this vibration isolation pads can't be missed. The vibration dampening pad has remarkable effect on noise reduction and vibration isolation, especially for the washing machine upstairs or the air compressor in the garage, it can definitely give you a surprise! Color : Silver FinishType : Brushed FitType : Universal Fit IncludedComponents : 4 pack rubber pad ItemName : Audiocrast IF4021S HiFi Speaker Isolation Feet Pads 4PCs Stainless Steel 40x21mm Silver Speaker Shock Absorber Vibration Dampener Floor Protector for Audio Subwoofer CD DVD Amplifier Turntable DAC ItemPackageDimensions_Height : 12.2936 centimeters ItemPackageDimensions_Length : 4.3942 centimeters ItemPackageDimensions_Width : 11.6078 centimeters ItemPackageQuantity : 1 ItemTypeKeyword : vibration-damping-pads LoadCapacity : 200 kg Manufacturer : Viborg Material : Stainless Steel ModelNumber : IF4021S NumberOfBoxes : 1 NumberOfItems : 4 PartNumber : rubber pad ProductDescription : hifi speaker feet ProductSiteLaunchDate : 2021-11-05T06:16:57.563Z SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnspscCode : 52161600 WarrantyDescription : 1 year