Bi-Folding sliding door hardware kit - suitable for 2 or 4 doorsNOTE: Door and Install Tools are not included in package. Bi Folding Sliding Barn Door Hardware Kit, For Two Doors, Track length Fit door opening 3FT 36" Kit 2 doors fits 30" door opening and two 17" wide doors 3. 3FT 40" Kit 2 doors fits 34" door opening and two 19" wide doors 3. 5FT 42" Kit 2 doors fits 36" door opening and two 20" wide doors 4FT 48" Kit 2 doors fits 42" door opening and two 23" wide doors 5FT 60" Kit 2 doors fits 54" door opening