Tomato roller hooks are made of metal and nylon and are weatherproof and high temperature resistant. Roller hooks with string can firmly fix vines, easy to use, save time and labor < p>Tomato support hooks with unique design allows the worker to carry the lower tomato or cucumber quickly and safely. The greenhouse trellis set can be used in traditional greenhouses, under fences or on terraces. Plant roller hooks can maximize the use of space on roofs, balconies and small gardens to significantly increase the harvest in limited space.