Starrett 445AZ-12RL Vernier Depth Gauge - 0-12 inch Range

Achieve high-precision depth measurements with the Starrett 445AZ-12RL Vernier Depth Gauge. Designed for professional industrial use, this micrometre-type tool provides a measurement range of 0 to 12 inches with a resolution of 0.001 inch. The built-in Vernier scale allows for fine-unit accuracy, maintaining a precision of +/- 0.0001 inch for demanding inspection tasks. This model features a 3 inch base and includes 12 measuring rods with a 1/8 inch diameter to cover the full measurement range. To ensure long-term reliability, all measuring surfaces are hardened, ground, and lapped. The combination of a ring-type knurled lock nut and a ratchet stop with a speeder allows for repeatable, consistent readings every time you use it.