1-3/16" (30.2 mm) Height 1-1/8" (28.58 mm) Width Use 3/8" Monolithic Tempered Glass Can Be Used at the Top and Bottom of Glass Panels Black Finish 1-3/16" Deep Designer Dry Glaze U-Channels provide the alternative option to standard U-channel tracks. These U-Channels can be combined with roll-in gaskets for 3/8" glass, but unlike with other U-channels, the gaskets lie flat in the CG Designer U-Channel. Product Warning: Stock lengths must ship common carrier unless specifically cut for UPS shipment.