C.R. LAURENCE GCB690SC CRL Satin Chrome 90 Degree Junior Traditional Style Glass Clamp for 1/4" Glas,C.R. Laurence" /> A Nice Option to More Traditional U-Channel, in that the Clamps Help the Appearance of an &#39;All-Glass&#39; Look For 1/4&quot; (6 mm) Thick Glass Glass Fabrication Required to Accommodate Clamps Solid Brass Used to Secure Fixed Panels of Glass for Frameless Shower Enclosures