Description Adjustable Roller Carriage The Doric DRZ004 Roller Carriage contains corrosion resistance properties and is a multi-fit carriage and will fit most residential door applications. The DRZ004 provides ease of adjustment under load and greater structural iDntegrity. Features Engineered for smooth trouble free operation 12mm of adjustment ensures sash alignment Carriages are corrosion free Stainless steel adjustable internal housing Bearings are manufactured from triple “A” Grade hardened high carbon steel Tyres are injection moulded in one piece and manufactured from Delrin The DRZ004 has been designed with ease of maintenance in mind and the tyres can be replaced without dismantling the door
