The aluminum roof hooks with front connection are ideal for vertically aligned installations of photovoltaic modules. Two multi-adjustable, high-strength aluminum roof hooks with front connection are available. The aluminum roof hooks AVE30 and AV24 are laterally adjustable in 5 positions, the height adjustment for aligning the mounting rail is done by means of slotted holes. The AVE30 roof hook can also be height-adjusted on the base plate. A clamping plate and a with hexagonal socket head screw M8x20 are required for the connection to the mounting rail.