1 1/4″ side adjust tandem rollers

This adjustable double roller has radial ball bearings manufactured by truth hardware. Machined from high-quality solid steel, the bearing raceways are heat-treated and plated for wear and corrosion resistance. These rollers are durable, perfectly concentric and capable of carrying the heaviest loads. Offered in a choice of steel or nylon rolling surfaces.for doors weighing up to 180 kg (400 lb) (2 rollers per door). Part# 13c008.