SATA GL91503 Vernier Caliper 0 - 300mm

It offers a 0–300 mm measuring range and reads down to 0.02 mm, with dual metric and imperial units for convenience.

It is crafted from stainless steel for durability and rust resistance. It includes smooth sliding action, a built-in locking screw to secure measurements, clear large markings, and an ergonomic grip for comfortable use. It also ships in a protective ABS plastic box.

For outer diameter, use the external jaws on the caliper. For inner diameter, use the internal jaws. For depth measurement, extend the depth rod from the end of the caliper and place it into the hole or cavity you’re measuring, then read the scale.

This caliper supports both metric (mm) and imperial (in) readings. Read the scales printed on the tool in the units you need; there isn’t a separate button—simply use the appropriate scale on the main body and vernier for the measurement.

Use the built-in locking screw to fix the jaws in place after you obtain a measurement. This helps prevent any drift while you record the size.

It’s ideal for mechanical and engineering tasks: checking parts during assembly, quality control in manufacturing, woodworking fittings, automotive components, and hobbyist projects where precise dimensioning is needed.

Wipe the scales after use to remove dust and residues, lightly oil the sliding surfaces if needed, avoid dropping or banging it, and store it in the included ABS box to prevent corrosion and damage.

Compared to longer- or shorter-range variants, the GL91503 offers a solid 0–300 mm range with 0.02 mm resolution in a stainless steel body. For different ranges, you can check other Fepy options such as: GL91501 Vernier Caliper 0-150 mm (https://fepy.com/product/sata-gl91501-vernier-caliper-0-150mm) and GL91504 Vernier Caliper 0-400 mm (https://fepy.com/product/sata-gl91504-vernier-caliper-0-400mm). A mid-range option is GL91502 Vernier Caliper 0-200 mm (https://fepy.com/product/sata-gl91502-vernier-caliper-0-200mm).

Use it when assembling mechanical parts, verifying component tolerances, checking hydraulic or pneumatic fittings, inspecting instrument housings, or any task requiring precise dimension checks, from DIY projects to professional manufacturing.

Yes. Handle it gently to avoid bending the jaws, keep the scale clean to maintain reading accuracy, and use the locking screw to prevent slips during measurement. Don’t rely on a caliper for critical safety-related measurements without proper calibration, and store it in its case when not in use.

If you need a robust, stainless-steel vernier caliper with a 0–300 mm range and 0.02 mm resolution, the GL91503 offers reliable performance and a protective case at a competitive price. Compare ranges (e.g., 0–150 mm or 0–400 mm variants) and consider whether you’ll frequently work with larger parts or need finer resolution. For quick reference, explore related models on Fepy: GL91501 (https://fepy.com/product/sata-gl91501-vernier-caliper-0-150mm), GL91502 (https://fepy.com/product/sata-gl91502-vernier-caliper-0-200mm), and GL91504 (https://fepy.com/product/sata-gl91504-vernier-caliper-0-400mm).