Sparco quick releases are made from high quality aluminum and are CNC milled to provide a "zero play" connection.We have one of these on our World Challenge Focus. 
  
Available in three versions:
 
Tuning - Bolts between a Sparco steering hub and a 6-bolt Sparco steering wheel.
 
Racing - Does not use a Sparco steering hub adapter, weld directly to the steering column shaft. Mounts to a 6-bolt Sparco steering wheel.