For Door Thickness 1-3/8" Minimum.
Side Mount, Adjustable. A medium duty commercial and residential grade sliding door hardware series ideal for by-pass door installations. Applications include doors between rooms, closet doors, cabinets, storage walls, and partitions. For doors weighing up to 150 lbs (68 kg), optional nylon wheel carrier up to 100 lbs (45 kg)
Hettich/Grant Top Line 72-138 Specifications 
(611kb PDF file)
For Door Thickness 1-3/8" Minimum.
Side Mount, Adjustable. A medium duty commercial and residential grade sliding door hardware series ideal for by-pass door installations. Applications include doors between rooms, closet doors, cabinets, storage walls, and partitions. For doors weighing up to 150 lbs (68 kg), optional nylon wheel carrier up to 100 lbs (45 kg)
Hettich/Grant Top Line 72-138 Specifications (611kb PDF file)