This tangent clinometer is an essential surveying instrument for measuring vertical angles and heights. Crafted with durable full brass construction, it offers precise and reliable measurements. At 9 inches, this clinometer is compact yet designed for efficient operation. It comes equipped with a carrying case for convenient storage and transport. Whether you're working on construction sites, forestry projects, or geological surveys, this tangent clinometer is an indispensable tool for professionals. With its sturdy build and user-friendly design, it ensures accurate readings and streamlines your workflow.