3-20FT Bifold Sliding Barn Door Hardware Kit Modern Track Roller for 2/4/8 Doors | eBay
The folding door hardware kit is made of high quality carbon steel with frosted black anti-rust surface coating. For 4 Doors. For 8 Doors. • Maximum Door Weight Capacity: 330Lbs. Suitable for door thickness:1-1/4"~1-3/4".