Our 4 ft. Black Solid Steel Arrow Style Mini Sliding Rolling Barn Door Hardware Kit for Double Furniture Wood Doors are is perfect for kitchen cabinets, bathroom vanities, hidden TV Solutions, buffets, armoires, dressers and more. Our small barn door hardware can accommodate furniture doors up to 44 lbs. and for to 3/4 in. and 1 in. door thickness. This kit provides exceptional quality and design. It allows you to customize the length of your rails by using a band saw or hack saw. 48 in. Rails are field trimmable to 43 in. Once cut cover the ends with our Mini Metal End Caps. This kit also allows you to extend the length of your rail up to 48 in. by purchasing a matching Rail Extension Kit. Kits includes mounting brackets for either 3/4 in. or 1 in. door thickness.