Johnson Hardware 203080PF Pocket Door Frame Kit, 1-3/4 in Thick Door, 400 lb Max Weight per DoorThe 2000 Series pocket door frame is designed to carry heavy solid core doors (up to 400 lb each) in standard 2 x 4 timber or steel framed stud walls. The 2000 frame kit is packaged for easy transport and fast installation for either single door or converging door applications. The 2000 is a versatile frame and can be adapted for use in non standard wall thicknesses, block masonry walls and can be cut down to accept any smaller size door size. Unit: