76 In Door Hardware Black T-double Folding Sliding Door Guide Rail Hardware Set. Color: Black Material: Carbon steel Track size: 76 inches (193CM) Track splicing method: 5. Scope of application: door thickness 0.5-50MM. 5x FT orbit 4x roller 4x roller rotating bracket 2x roller holder 6x hinge 2x ground guide fastener 2x seal strip 1x screw bag 1x Specification 6x tube clamp 35mm 6xm890 Wood screws. An unpaid case will be filled after 4 days.