Sizes available：
 
 
Model No. Dimension（mm）
D1 D2 L
HK-301-15 15 15 44
HK-301-16 16 16 46
HK-301-22 22 22 50.5
HK-301-25 25 25 54.5
HK-301-28 28 28 58
Sizes of our items are updated in no time, please let us know if you need other sizes.