Monocle Industries manufactures a full range of Optical Micrometer products and accessory components. The Optical Micrometer provides a unique method for making precise non-contact depth measurements on any surface or material. The Company provides technical support, calibration and repair services. The Optical Micrometer product line is distributed directly from Monocle Industries. The Optical Micrometer measures depth of scratches, cracks, blind holes, corrosion, dents and pits in all materials. In transparent materials (ie. acrylic, glass, plexiglass), the instrument is used to measure thickness, depth of crazing, depth of fractures, and depth and thickness of voids. Easy to operate - easy to read vernier scale. Interchangeable objective optic and eyepiece provide a wide range of uses and applications. Reticle eyepiece determines width measurements. Hands-free light mounting adapter. N.I.S.T. traceable.