alloys help

[blackpulsargtir]

Thanks to jimmyback for identifying alloys for me - (ta v much) can anyone tell me where to get the centres and caps as in the pics? i need a full set. Any help appreciated.

Gewalt Hyper Speed Gear - Super Round Design - Arrows New Weapons

cheers
http://i67.photobucket.com/albums/h319/mattwoodhall/06062006050.jpg