Drawer slides - ball bearing full extension drawer runners available in sizes between 250mm to 750mm. Benefits from full extension also known as double extension (runner double in size when fully extended) what gives convenience of full and easy access to the drawer. Heavy duty draw runners easily manage up to 35kg* of load! Made from galvanized clear zinc plated steel and have a quick disconnect feature (by depressing lever). Great prices for high quality heavy duty drawer slides.