Stainless Steel Solar Roof Hooks Adjustable Pitched Roof Mounting Bracket The Stainless Steel Solar Roof Hooks are heavy-duty mounting brackets made for pitched roofs where durability and precise alignment are critical. Fabricated from 304 and 316 stainless steel, these adjustable roof hooks resist corrosion far better than coated steel, making them the preferred choice for coastal, industrial and high-humidity installations. Each adjustable roof hook uses a slotted base