Quality Material: designed with steel and quality rubber, the soundproofing mounting clip promises long lasting performance; Its robust and resilient build is to outperform and outlast, guaranteeing a return on your investment Impressive Sound Insulation: featuring an effective sound insulation effect complemented by its material build, the isolation clips addresses your noise concerns by reducing the transmission of sound vibrations immensely Flexible Application Across Different Buildings: whether it comes to wooden or steel framing, concrete, our soundproofing clips can be seamlessly incorporated; These are also ideal for ceiling soundproofing in professional recording studios, homes, offices, apartments, and multi family residences Colour:Black & Silver Material:Metal+Rubber Package Contents: 10x Soundproofing Mounting Clip Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.