InSize

About InSize: Precision Metrology for Every Workshop

InSize is a renowned global leader in the development and supply of high-quality measuring instruments, founded in 1995. From engine builders and machinists to quality control engineers, professionals across countless industries rely on InSize tools to deliver accurate, repeatable results on the shop floor and in the inspection lab.

InSize is headquartered in China, but its global distribution network spans over 75 countries, with branches in the USA, Spain, India, and Brazil. This far-reaching infrastructure means that wherever you work, genuine InSize support and product availability are never far away.

A Complete Line of Dimensional Measurement Tools

InSize offers precision measuring instruments including Vision Measuring Machines, CMM Machines, Profile Projectors, Hardness Testers, Roughness Testers, 3D Scanners, Digital Calipers, Micrometers, Height Gauges, and other industrial inspection tools. For hands-on shop use, their core lineup of dimensional tools covers virtually every measurement task you will encounter.

At the heart of any precision toolkit is the caliper. InSize multi-purpose measuring calipers are available in digital, dial, and vernier formats, offering versatility for measuring outside diameters, inside dimensions, depths, and step heights in a single instrument. With easy-to-read digital displays and ergonomic designs, InSize calipers make measuring effortless and reliable, whether you're working on-site or in the workshop.

When sub-thousandth accuracy is required, InSize multi-purpose micrometers step in. The InSize mics are excellent, with a smooth feel on the thimble that seats solidly, allowing reliable measurement to .0002". With a broad range of configurations — outside, inside, depth, and indicating styles — there is an InSize micrometer for nearly every precision measurement challenge.

For surface-level and comparative measurement tasks, InSize dial indicator gauges are a workshop staple. Their range of indicators in digital, dial, and vernier formats is suitable for use in design, calibration, and production environments, engineered to provide reliable accuracy and repeatability.

Engine rebuilders and cylinder machinists will find InSize dial bore gauge tools indispensable. Dial bore gauges are high-precision measuring tools designed to accurately measure internal diameters of holes, cylinders, and bores — widely used in engineering, machining, and quality control to ensure components meet strict tolerances. InSize offers several bore gauge series, including models designed specifically for small holes, each supplied with interchangeable measuring heads for a wide range of bore sizes.

Why Choose InSize?

InSize has become synonymous with high-quality measuring instruments and innovation, meeting the rigorous demands of the global market. Their commitment to continuous improvement ensures that every product, from micrometers to indicators, is designed for precision, ease of use, and long-term reliability. Built with durable materials and designed for long-lasting performance, InSize measuring tools are ideal for use in industries such as manufacturing, automotive, and engineering. Whether you are setting up a new machine shop or expanding your garage toolkit, InSize delivers professional-grade metrology at an accessible price point.