The Berger Instruments Model 135 Surveying Transit Level is a high-quality optical level instrument designed for precise surveying tasks. Made in the United States, this device is known for its reliability and accuracy in measuring horizontal and vertical angles. The hard yellow case provides durability and protection for the instrument, ensuring it remains in top condition for extended use. Ideal for professionals in the construction, engineering, and surveying industries, the Berger Instruments Model 135 is a trusted tool for achieving precise measurements on job sites.