The ClickFit EVO hanger bolt is delivered fully assembled. With the flexible adapter, you can easily and quickly compensate for roof unevenness up to 10 degrees. The hanger bolt is height-adjustable, 360-degree 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.