The Kerdi-Drain grate is designed for use with the Kerdi-Drain flange which is sold separate. The 4 in. square drain grate comes with a frame, height adjustment collar and lateral adjustment ring. The grate accommodates tiles 1/4 in. to 1-1/4 in. thick and allows for lateral and tilt adjustment. The Kerdi-Drain grate can be used in both commercial and residential applications.