The M&W Vernier Caliper Standard 150mm is a precision measuring instrument with four-way measurement capability (inside, outside, step, and depth) in a robust mono-block solid slider design. Features a chromed scale with laser-engraved graduations displaying both metric (mm) and imperial (inch) values, micro-lapped measuring surfaces, and fine adjustment for accurate readings down to 0.05mm. Ideal for engineers, technicians, fabricators, and trade professionals requiring reliable dimensional inspection on-site or in the workshop.