Use On Wood Frame Sliding Doors From 1-1/2" To 2" Thick. With 2 End Caps & Bolts For Door Strap. One Piece Precision-Formed steel and has Self Lubricating Delrin bearings.Door strap is 5-1/2 inch long. For use with doors up to 450 lbs.
How to build & install a Sliding barn door DIY - YouTube. The item "(6) National Mfg N112-102 2 pack Barn Door Trolley Hanger / Rollers" is in sale since Friday, November 20, 2015. This item is in the category "Home & Garden\Home Improvement\Building & Hardware\Doors & Door Hardware\Other Door Hardware".
The seller is "highwaytobuy2010" and is located in Allentown, Pennsylvania. This item can be shipped to United States.