Optical level (also known as a dumpy level) mounted on an aluminum tripod, paired with a leveling staff for measuring height differences in construction or surveying. Instrument Type: Automatic optical level with a self-leveling function for aligning target lines. Tripod Material: Constructed from robust aluminum with a dome head for quick positioning. Measurement Staff: Included leveling staff, often called a grade rod, used to take accurate elevation readings. Applications: Essential for leveling and height measurements in construction and land surveying projects.