Prime-Line 193074 Shower Door Bottom Guide, Clear Acrylic This product adds a great value Product is highly durable and very easy to use This product is manufactured in China Clear Acrylic Fits a 9/16 in. rail Separates your doors and allows for free motion Used by several shower door manufacturers Clear Acrylic Fits a 9/16 in. rail Separates your doors and allows for free motion Used by several shower door manufacturers