Knob Material

•  Black Aluminum (1)
•  Black Leather (3)
•  Red Aluminum (1)
•  Satin Aluminum (1)

Insert

•  Black Airleather (1)
•  Black Chrome (2)
•  Blue (1)
•  Brown Leather (2)
•  Carbon Effect (2)
•  Chrome (3)
•  Dark Chrome (1)
•  N/A (3)
•  Red (1)
•  Silver (1)