Mitutoyo Sheet Metal Micrometer with SPC Output 6.3" Deep Throat Specifications include 1-2" / 25-50mm Measuring Range 0.00005" / 0.001mm Resolution 6.3" Deep Throat Spherical Anvil & Spindle Features include... Spherical Carbide Face on Anvil & Spindle Measures thickness of sheet metal, paper, plastic, and rubber parts. With Ratchet Stop for constant force Supplied in fitted plastic case Dust / Water protection level: IP65 Functions include Origin-set, Zero-setting, Data hold, Data output