ViaBlue High-End QTC Absorbing Spikes - 4 Pieces Black Chrome Gold - Made In Germany ViaBlue High-End QTC Absorbing Spikes - 4 Pieces Black Chrome Gold - Made In Germany Get Clean Sound by Eleminating Vibrations with High Precision QTC Spikes Asorbtion & A Noble Design - Highest Precision/32 Parts Through the vibration reception disk, vibrations are received on the rotary plate with adjustable height. The vibrations gathered in the main cone are deflected. Excess pressure builds up and is transferred to the especially hardened points. On the equally identically hardened absorption master disk, a maximum pressure point is then created. The vibrations are eliminated. Diameter: 30mm Height: 34mm +/-2.5mm  Maximum Load: 200 KG/Set of 4