National Hardware 12′ Galvanized Box Rail

National Hardware provides the track, hangers and sliding door hardware components needed to create your own barn and commercial sliding door system. Our advanced designs are made of galvanized steel in round or box rail and come with heavy duty hardware for easier mounting and smoother operation. Used primarily for exterior applications, they are also ideal for adding an industrial look to any contemporary or rustic interior. SPECIFICATIONS Designed for use on doors up to 450 lbs.