General description This sliding door hardware kit is ideal for extending the length of your flat sliding door rails. It ensures smooth and quiet operation thanks to internal bearings, and includes door stops to prevent derailing of the rollers. Rubber gaskets help buffer the bump from rollers, reducing noise. Technical specifications Colour: Black Material: Powder-coated steel Maximum load capacity: 100 kg Sliding rail total length: 366 cm Suitable door size: 30-55 cm in width, 35-45 mm in thickness Barn door track joiner dimensions: 8 x 3 x 0.4 cm (L x W x T) Distance between the centres of holes: 2 cm Compatible barn door rail size: 40 x 6 mm (W x T) Number of holes: 4 Installation Each rail end needs to be pre-drilled with 2 holes for proper installation. Connect two barn door tracks using the included mounting accessories with the barn door rail joiner. Just attach the rail joiner to the ends of the tracks and fasten the screws securely for smooth operation. Usage This kit is