EXTRA cost for 6.6ft brushed nickel bypass barn hardware

FEATURES - Weight capacity:180lb. Fit 2 of door panel width: 36''-40" each. Ideal for a door panel thickness: 1 3/8" to 1 3/4". At least 6" clearance above the top of a door is required. Only the hardware is for sale, door is NOT included.
UNIVERSAL KIT - The barn door hardware can be used both inside and outside . It is rustproof, waterproof, and fireproof.
PACKAGE INCLUDES - Barn door hardware kit (2 x 6.6ft Rails/Tracks, 10 x Wall Spacer, 4 x Hanger, 4 x Door Stopper, 2 x Rubber End, 1 x T-shaped Floor Guide, 1 x Hex Key). All assembly hardware is included as you see in the pictures. The track has been predrilled holes for 16 inch stud