These dual sided arms are meant to be used on the Floor to Ceiling Posts.  Thes arms have one bottle deep on one side of the posts and 3 bottles deep on the other.  Both have 3 bottles down on each side.  This is a fun way to present your wine from all angles.
Loaded.. These arms measure 4" deep x 12" High x 12" + in Length on one side and 12" deep x 12" High x 12"+ in length on the other.