Square 90 Degree Brass Glass to Glass Clamp Sleeve Over Shower Door Glass Clamp for 5/16" to 1/2" (8 to 12 mm) Glass Thickness (Satin Golden Finish CC101290SG) - Amazon.com
Casting Material Brass Glass Fitting Wall Mounted Glass Clamp - China Glass Clamp, Clamp | Made-in-China.com