4 conical rubber silent block with good resistance to wear and abrasion and good electrical insulation, very good resistance to atmospheric agents, acids and alkalis and chemicals in general, used in air conditioning equipment, helps reduce noise and vibration.Comes with 8 galvanized steel nuts and 8 washers.Our anti-vibration mounts for outdoor air conditioners offer you various advantages.These are quick-insertion anti-vibration feet.Support for WALL and floor MOUNTING.Sustainable products, materials.They are easy to use and are products for indoor and outdoor use.The silencer block is essential to dampen noise and vibration between the mount and the air conditioning unit.Supplied with 4 shock absorbers, 8 nuts and 8 washers.To firmly fix the air conditioning system, use a damping silencer block with nut and washer, also called an air conditioning silencer block with anti-vibration studs.This accessory facilitates the installation of air conditioning.These 4 silent blocks allow the installation and fixing of external units.They absorb vibrations and thus reduce noise from outdoor units.This is a silent shock absorber block with galvanized threads on both sidesPlease feel free to contact us if you encounter any problems