I-Shaped 4-16FT Heavy Duty Sliding Barn Door Hardware, Track Hanging Barn Door Hardware Kit, Black Single Door Sliding Rail ,Easy to Install

Material:Carbon Steel Roller Diameter:2 3/4" Roller Weight:1.72kg Sliding Rail Thickness:3/13"(6mm) Sliding Rail Width:1 4/7"(40mm)You may also like White 5FT-10FT Black Classic Sliding Wood Door, Sliding Rail Barn Door Hardware Rail Track Sliding Door Barn ,Easy to Install.