1，Main body and Bottom cover made out of brass；eimtters are made from aluminum.
2, ID 25.5mm. OD 36mm，length 190mm。
3，a set of 89saberhas two emitters. both 7/8" and 1" emitters.
4，we provide 2 sets of swithes. see photos.
5 .plating completed.
if you have any questions , please send email to me firstname.lastname@example.org
and our lunar New Year is almost here, we will ship them after our holiday, about 3~4 weeks later.
After you get the tracking number, you can track it here: www.ems.com.cn