Essence header less sliding door is the only door on the market. No header design gives appealing look for more frameless sliding door. This system requires ½” thick tempered glass only. The door has a bottom track for rollers. Hardware is available in square or round brackets. Essence header less sliding door comes in four popular finishes. This system can be installed over the bathtub or shower curb. This system offers Frameless Look Both Vertically and Horizontally. Bottom Rolling System has Integrated Height Adjustment. All necessary hardware comes with the kit. The use of minimal hardware lends itself to the popular modern sliding shower door systems by showing more glass, and less metal. The high quality Rollers assure quiet door travel, and make the door easy to slide. Fixed panel is secure to the wall with mounting bracket.