It is produced by low pressure casting machine and each wheel should be tested by a series of testing or quality control machine The specification we can do is as below: Size ET PCD Bolt holes CBD 15x7 20 100-114.3 4,8,10 73.1/67.1 15X8 20/15 100-114.3 4,8,10 73.1/67.1 16X8 20/15/25 100-114.3 4,5,8,10 73.1/67.1 16X9 20/15 100-114.3 4,5,8,10 73.1/67.1 17X8.5 15/20/30/35 100-114.3 4,5,8,10 73.1/67.1 17X10 15/20/30/35 100-114.3 4,5,8/10 73.1/67.1 Finish: Silver,Grey,Black, Gold,Hyper silver,Hyper black,Gold-lip polished, Silver-lip polished,chrome etc.

alloy wheel 15x7