1 Single Door Min Track Size= 2 × Single Door panel Width. 2 Double Door Min Track Size= 4 × Single Door panel Width. (we work from Monday to Friday). The item "CCJH 4-20FT Stainless Steel Sliding Barn Door Hardware Closet Kit Single/Double" is in sale since Thursday, October 10, 2019. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware".The seller is "xihaoltd" and is located in CA. This item can be shipped to North, South, or Latin America, all countries in Europe, all countries in continental Asia, Australia.