The ClickFit EVO hanger bolt is supplied fully assembled. With the flexible adapter, you can easily and quickly compensate for roof irregularities of up to 10 degrees. The hanger bolt is height-adjustable, 360 degrees rotatable, and available in 3 lengths and 2 thicknesses for wooden purlins/rafters. The hanger bolt can also be used with the ClickFit EVO system on corrugated, steel, and Mediterranean tile roofs.