Originally Posted by carkillaii
I hope this helps Jeffrey
Aluminum make ?????? ? holder. Upper arm installation position of 3 types selective possibility. 2mm thick aluminum color attachment for upper arm installation height adjustment. * For V-ONE RRR /V-ONE S3
Thanks carkillaii. I did use the translator but as you can see some crucial information did not translate. I know it's some kind of upper arm holder but I am just looking for more details.