(1). In Size: 90mm
(2). Out Size: 164.3mm
(3). Hole: 10 holes Ring Flange
(4). Thickness: 3mm,5mm,6mm,7mm,8mm or Customized Ring Flange
(5). Material: 6061 Aluminium Ring Flange
(6). Color: Plated Chrome or Color Ring Flange
(7). The different specification of ring flange can be produced according to customer's requirement.