All steel. Finishes: Black/Chrome Hoop, Full Black, Red/Chrome Hoop, Full Red, Gold/Chrome Hoop, Full Gold, Gunmetal/Chrome Hoop, Full Gunmetal, White/Chrome Hoop, Full White. Chrome center cap included. For 5x4.5 bolt pattern wheel only accepts C330-M cap. Lug nuts not included. Please check proper fitment before mounting.