If you are looking professional and affordable speaker isolation pad, then your research is over here. That's because our product can meet your need. Adopted of premium material, it is practical and durable for long time use. It is not easy to get deformed and bring you much convenience. Features -Color:Black -Material:Bronze, aluminum alloy, rubber -Size:4.50X4.50X3.30cm/1.77X1.77X1.30in Heat Treated Hardness: HRC50-55 Weight Capacity: (220lbs/100kg)/set - High grade aluminum alloy speaker isolation studs, high hardness and density, low harmonic vibration point and high damping. - Manage the energy of the speaker, reduce vibration through support surfaces and internal reflections, and stray sound. - Speaker bumper isolation feet separate audio components from vibration, and non-slip rubber absorbs vibration, resulting in tighter, cleaner bass, less hum in the room, and fewer from apartment neighbors. - Adjustable Height: The height of the anti-vibration feet can be adjusted to fit different types of speakers, amplifiers, CD or , etc. - Excellent craft, carefully down to every detail to give it and beautiful look. Package list: 4 x Speaker Isolation Pads 4 x Nails