Check the listing for details. 4 Pcs Ceiling Spring Vibration Isolator Hangers 265lb Red (XHS). Condition: New, Made in China. Listed at 46.78 USD. Ceiling mechanical vibration damping mounts have strong shock resistance. It can be easily installed on various surfaces including ceilings, floors, pipes, walls, HVAC, etc. Widely used in bedrooms, home theaters, karaoke rooms, concert halls, recording studios, conference rooms, bars, etc.SpecificationColor: RedMaterial: Steel, RubberBolt Thread Size: M12*1.75mmLoad Capacity: Up to 120 kg / 264.55 lbsPackage List: 4 Pack x Ceiling mechanical vibration damping mountsAdvantageSolid Structure- The ceiling mechanical shock absorber bracket is made of rubber and steel, which can cross the resonance zone and has good shock absorption and noise reduction effects. Steel enhances durability, is resistant to pressure, rust, corrosion, and deformation, and can be used for a long time.