C.R. LAURENCE UC77CH CRL Chrome Traditional Style Fixed Panel U-Clamp For 5/16" to 3/8" (8 to 10 mm) GlassUsed to Secure Fixed Panels of Glass for Frameless Shower Enclosures Solid BrassA Nice Option to More Traditional U-Channel, in that the Clamps Help the Appearance of an 'All-Glass' Look Glass Fabrication Required to Accommodate Clamps