Holder type mounts are shock and vibration isolators designed for the protection of sensitive equipment in severe dynamic environments. Specifically designed for high performance in challenging aerospace applications, they are efficient, lightweight and extremely durable. They are suitable for all attitude mounting, are fail-safe and provide protection in all axes. They are designed to produce natural frequencies in the range of 20 — 25 Hz in an ambient temperature range of –65 to + 300 ºF. The silicone elastomer blend used in the construction of vibration isolators holder type mounts produces excellent damping characteristics resulting in a maximum amplification at resonance of 4.0 for all sizes under typical environmental conditions.