5 stud hub which are made of steel and then painted in black. We also can make 4, 6 and 8 stud hubs.

4 stud: Diameter 1/2" P. C. D: 4" max load: 1750LBS
5 stud: Diameter 1/2" P. C. D: 4.5" max load: 3500LBS
6 stud: Diameter 1/2" P. C. D: 5.5" max laod: 6000LBS
8 stud: Diameter 1/2" P. C. D: 6.5" max load: 7000LBS