The Bosch GR 500 is a durable, professional-grade leveling rod designed for construction and surveying tasks. It features a telescopic design, available in lengths up to 16 feet (5 meters), with clear graduations for precise measurements. Built from sturdy materials like aluminum or fiberglass, it offers stability in outdoor conditions. The rod includes a locking mechanism to prevent slipping, and some models come with a built-in level bubble for accuracy. It is compatible with various surveying tools and may include a carrying bag for easy transport.