CRL Frameless Shower Door Stops are for mounting on an inline 180º fixed panel to prevent the door from going into the shower enclosure. The door closes into a soft rubber portion of the door stop. Several stock finishes are offered to match most popular decors. The door stop fits glass thicknesses ranging from 1/4 to 3/8 inch (6 to 10 millimeters). Door stop is secured to glass with nylon tipped screw. No glass fabrication is required. Minimum order is one each.