Air Gages (92 companies)
Air gages use pneumatic pressure and flow to measure or sort dimensional attributes.
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Bore and ID Gages (156 companies)
Bore and ID gages are designed for internal diameter dimensional measurement or assessment.
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Calipers (204 companies)
Calipers typically use a precise slide movement for inside, outside, depth or step measurements. Some caliper types are used for comparing or transferring dimensions.
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CMM Probes (71 companies)
Coordinating measuring machine (CMM) probes are transducers that convert physical measurements into electrical signals, using various measuring systems within the probe structure.
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Depth Gages (128 companies)
Depth gages are used to measure of the depth of holes, cavities, or other component features.
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Digital Readouts (113 companies)
Digital readouts are specialized displays for position and dimension readings from inspection gages and linear scales, or rotary encoders on machine tools. 
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Dimensional and Profile Scanners (232 companies)
Dimensional and profile scanners gather two-dimensional (2D) or three-dimensional (3D) information about an object.
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Dimensional Gages and Instruments (959 companies)
Dimensional gages and instruments provide quantitative measurements of product or component dimensional and form attributes such as wall thickness, depth, height, length, inner diameter (ID), outer diameter (OD), taper or bore.
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Fixed Gages (60 companies)
Fixed gages are designed to access a specific attribute based on comparative gaging. Learn more about Fixed Gages

Form Gages and Form Gaging Systems (62 companies)
Form gages and form gaging systems are used to inspect parameters such as roundness, angularity, squareness, straightness, flatness, runout, taper and concentricity. 
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Gage Blocks (86 companies)
Gage blocks are manufactured to precise gagemaker tolerance grades for calibrating, checking, and setting fixed and comparative gages.
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Height Gages (118 companies)
Height gages are used for measuring the height of components or product features.
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Indicators and Comparators (163 companies)
Indicators and comparators measure where the linear movement of a precision spindle or probe is amplified.
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Laser Micrometers (57 companies)
Laser micrometers measure extremely small distances using laser technology.
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Inspection, Layout and Gaging Accessories (89 companies)
Inspection accessories, layout accessories and gaging accessories include probes, sensors, hand tools, styli, contact tips, supplies and other components for dimensional measurement, inspecting, marking, layout or other manufacturing or machine shop applications. Learn more about Inspection, Layout and Gaging Accessories

Levels (132 companies)
Levels are mechanical or electronic tools that measure the inclination of a surface relative to the earth's surface.
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Magnifiers (116 companies)
Magnifiers are inspection instruments that are used to magnify a product or part detail via a lens system.
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Masters and Setting Gages (76 companies)
Masters and setting gages provide dimensional standards for calibrating other gages.
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Measuring Microscopes (77 companies)
Measuring microscopes are used by toolmakers for measuring the properties of tools.  These microscopes are often used for dimensional measurement with lower magnifying powers to allow for brighter, sharper images combined with a wide field of view.
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Metrology Fixtures and CMM Fixtures (30 companies)
Metrology fixtures and CMM fixtures are used to hold and position parts, probes, or workpieces during dimensional gaging and other measurement operations. Learn more about Metrology Fixtures and CMM Fixtures

Microscope Stages (50 companies)
Microscope stages are platforms where specimens are placed for observation with a microscope. They are often equipped with a mechanical device which holds the specimen slide in place, but allows the back-and-forth and side-to-side movement of the slide.
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Microscopes (528 companies)
Microscopes are instruments that produce magnified images of small objects
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Microscopy and Metallography Sample Preparation Equipment (73 companies)
Microscopy sample preparation equipment and metallography sample preparation equipment is used for the preparation of samples for metallographic or microscopic inspection and analysis. Learn more about Microscopy and Metallography Sample Preparation Equipment

Micrometers (205 companies)
Micrometers are instruments for precision dimensional gaging consisting of a ground spindle and anvil mounted in a C-shaped steel frame.  Noncontact laser micrometers are also available.
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Plug and Pin Gages (163 companies)
Plug and pin gauges are used to compare hole and slot dimensions or locations to specific tolerances. This product area includes go gauges and no-go gauges. 
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Protractors and Angle Gages (59 companies)
Protractors and angle gages measure the angle between two surfaces of a part or assembly.
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Ring Gages (107 companies)
Ring gages are used for go / no-go assessment compared to the specified dimensional tolerances or attributes of pins, shafts, or threaded studs.
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Rules and Scales (161 companies)
Rules are flat, graduated scales used for length measurement.  For OEM applications, digital or electronic linear scales are often used.
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Interferometers (93 companies)
Interferometers measure distance in terms of wavelength and determine the wavelengths of light sources.
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Microscope Lenses and Objectives (43 companies)
Microscope lenses and microscope objectives include eyepieces or oculars, optical filters, objectives, adapters or mounts, condensers and other optical components for microscopy. Learn more about Microscope Lenses and Objectives

Optical Comparators (89 companies)
Optical comparators are instruments that project a magnified image or profile of a part onto a screen for comparison to a standard overlay profile or scale. 
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Snap Gages (52 companies)
Snap gages are used in production settings where specific diametrical or thickness measurements must be repeated frequently with precision and accuracy.
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Squares (54 companies)
Squares are used to indicate, by visual comparison, whether two surfaces are perpendicular. Most products consist of a simple, fixed standard and a beam and blade with a mutual orientation of 90 degrees.
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Specialty Dimensional Gages and Systems (215 companies)
Specialty or proprietary gages, instruments or gaging systems for dimensional measurement. Learn more about Specialty Dimensional Gages and Systems

Styli and Probes (61 companies)
Styli and probes are slender, rod-shaped stems and contact tips or points used to probe surfaces in conjunction with profilometers, SPMs, CMMs, gages and dimensional scanners. Learn more about Styli and Probes

Surface Metrology Equipment (224 companies)
Surface metrology equipment is used to measure the surface finish and/or geometry of engineering components. Surface texture and topology characteristics include surface roughness, contour, form, waviness and defects.
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Surface Profilometers (150 companies)
Surface profilometers are contact or non-contact instruments used to measures surface profiles, roughness, waviness and other finish parameters.
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Thread Gages (149 companies)
Thread gages are dimensional instruments for measuring and/or verifying thread size, pitch or other parameters.
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